Illustrative Mathematics - Geometry - Unit 4 - Lesson 5 - Formative Library | Library

Kiran is flying a kite. He gets tired, so he stakes the kite into the ground. The kite is on a string that is 18 feet long and makes a 30 degree angle with the ground. 
How high is the kite?

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8.G.7

Triangle ABC has a right angle at C. Select all measurements which would mean it has a hypotenuse with a length of 10 units.

Angle A is 20 degrees, BC is 2 units

AC is 7 units, BC is 3 units

Angle B is 50 degrees, BC is 4 units

Angle A is 30 degrees, BC is 5 units

AC is 8 units, BC is 6 units

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8.G.7

What is a reasonable approximation for angle B if the ratio of the adjacent leg divided by the hypotenuse is 0.45?

27 degrees

30 degrees

60 degrees

63 degrees

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8.G.7

Estimate the values to complete the table.

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8.G.7

What is the length of side AB?

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8.G.7

What is the length of the square’s side?

3 units

\frac{6}{sqrt{2}} units

6\sqrt{2} units

12 units

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8.G.7

Find the lengths of segments AD and BD. 
Then check your answers using a different method.

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8.G.7

This lesson is from Illustrative Mathematics. Geometry, Unit 4, Lesson 5. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/2/4/5/index.html ; accessed 29/July/2021.

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