### We found 40 reviewed resources for tangency

Lesson Planet

#### What is a Tangent Line to a Circle?

This video defines what it means for a line to be tangent to a circle. It also defines the term point of tangency and shows how the radius drawn to the point of tangency is perpendicular to the tangent line.

Lesson Planet

#### Points of Tangency

In this geometry worksheet, students identify the point of tangency on an inscribed circle. They solve problems involving circumscribed triangles and circles. There are 9 questions.

EngageNY

#### Properties of Tangents

You know about the tangent function, but what are tangent lines to a circle? Learners investigate properties of tangents through constructions. They determine that tangents are perpendicular to the radius at the point of tangency, and...

Lesson Planet

#### Equation of a Tangent to a Circle

Don't go off on a tangent—let the video do the talking! A video lesson demonstrates how to write the equation of a line tangent to a circle given the point of tangency and the equation of the circle. The instructor explains both a...

Lesson Planet

#### THE MEAN INDEX CARD

Middle schoolers cut an index card to create three similar right triangles and explore the congruencies and proportions that exist. They investigate the properties of lines and concepts of congruency, similarity, tangency and symmetry of...

Lesson Planet

#### Circles

In this circles worksheet, 10th graders solve and complete 13 various types of problems. First, they solve each set of triangles for the given variable. Then, students name a radius, a diameter, a tangent, a secant, a point of tangency,...

Lesson Planet

#### Tangent Lines

In this tangent lines learning exercise, 10th graders solve and complete 13 various types of problems. First, they solve the right triangles for the variables shown. Then, students name a radius, a diameter, a tangent, a secant, a point...

Lesson Planet

#### Linear Approximation

Pupils practice examining the tangent to a function to estimate the value of the function near the point of tangency. They view errors associated with those approximations, determine overestimates and find intervals that guarantee a...

Lesson Planet

#### Arc and Angles Formed by Secants and Tangents

In this calculus learning exercise, students solve problems by finding the line of tangency and measure of the arcs and angles form by a secant line. There are 9 questions.

Lesson Planet

#### Relationship between tangent, secant side length

In this calculus worksheet, students calculate the relationship between a line of tangency and a secant side length. They are given the formulas to solve their problems. There are 9 problems.

Lesson Planet

#### Circles

Tenth graders explore and define the radius and diameter of a circle. For this geometry lesson, 10th graders calculate the circumference and area of a circle using real world objects and shapes. They discuss chords and lines tangent to a...

Lesson Planet

#### Intro to Derivatives

In this calculus worksheet, students find the line tangent to a curve using the derivative. They graph the slope and identify the line of tangency. There are 6 questions.

Lesson Planet

#### Tangents to a Circle

Learners construct tangent lines. In this geometry lesson, students identify the point of tangency, secant and tangent lines. They graph the lines on the Ti and make observations.

Lesson Planet

#### Inverse Trig Functions

In this inverse trig functions activity, students solve and complete 8 different types of problems. First, they find the derivatives of each inverse trig function shown. Then, students find the arc degree of each function.

Lesson Planet

#### Math: Tangents

Students discover how to recognize tangents and how to use their properties. They investigate and use the properties of angles, arcs, chords, tangents, and secants. Students use two tangents and the properties of similar triangles to...

Lesson Planet

#### Two Wheels and a Belt

Geometry gets an engineering treatment in an exercise involving a belt wrapped around two wheels of different dimensions. Along with the wheels, this belt problem connects concepts of right triangles, tangent lines, arc length, and...

Lesson Planet

#### Communications and the Lunar Outpost

Can you hear me now? Groups use given information about communication on the moon to determine the maximum distance an astronaut can travel and stay in communication. Using the calculations, they determine what lunar features they can...

Lesson Planet

#### Newton's Method

Twelfth graders explore Newton’s Method of using the derivative of a function to approximate the zeros of a function. In this calculus lesson plan, 12th graders examine how and why Newton’s method works. Students use the TI-89...

Lesson Planet

#### Geometry Review

In this geometry review learning exercise, 10th graders solve and complete 33 different problems that include identifying various geometric figures and parts of a circle. First, they find the radius of each circle given its diameter....

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#### Circles

In this circles worksheet, 10th graders solve and complete 20 different problems related to various circles. First, they find the radius and diameter of a circle with a given circumference. Then, students determine the measure of each...

Lesson Planet

#### Economics Term Review

If you are preparing your economics class for a final exam, this tool could be very helpful. Whether you pick and choose or use all 85 prompts, an entire course in both micro and macro economics can be found in this 3-page review. Both...

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#### Slope Right Up

Middle schoolers use triangles to find the length and slope of each side. After connecting the vertices, they add points based on their specific instructions. They use the Pythagorean Theorem to complete a worksheet to end the...

Lesson Planet

#### Writing Equations for Tangent and Normal Lines

High schoolers explore the concept of tangent and normal lines. In this tangent and normal lines lesson, students use their Ti-89 calculator to find tangent and normal lines to a linear and quadratic equations. High schoolers find the...

Lesson Planet

#### Worksheet Five: Limits and Derivatives

In this limits and derivatives worksheet, students evaluate given equations with specified limits. They find the derivative of given equations, determine the slope of a line, and find the Taylor polynomial approximation under given...