Illustrative Mathematics - Geometry - Unit 4 - Lesson 7 - Formative Library | Library

1

1.

Based on the figure, which equation is true?

cos(32)=\frac{x}{8.5}

cos(32)=\frac{8.5}{x}

sin(32)=\frac{x}{8.5}

sin(32)=\frac{8.5}{x}

G.SRT.8

N.Q.2

1

2.

Kiran is flying a kite. He gets tired, so he stakes the kite into the ground. 
The kite is on a string that is 12 feet long and makes a 45 degree angle with the ground. How high is the kite?

12 ft

\frac{12}{\sqrt{2}}ft

12\sqrt{2} ft

24 ft

G.SRT.8

N.Q.2

1

3.

Match the ratio of side lengths to its corresponding angle measure.

		14o
		28o
		47o
		58o
		82o

G.SRT.8

N.Q.2

1

4.

In the right triangles shown, the measure of angle ABC is the same as the measure of angle EBD.​​ 
What is the length of side BE?

G.SRT.8

N.Q.2

This lesson is from Illustrative Mathematics. Geometry, Unit 4, Lesson 7. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/2/4/7/index.html ; accessed 29/July/2021.

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