Lesson Quiz Lesson 8-2

Lesson Quiz

Use kABC for Exercises 1?3.

A

Lesson 8-2

C 18

B

1. If mlA 45, find AC and AB.

2. If mlA 30, find AC and AB.

3. If mlA 60, find AC and AB.

4. Find the side length of a 45?-45?-90? triangle with a 4-cm hypotenuse.

5. Two 12-mm sides of a triangle form a 120? angle. Find the length of the third side.

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Answers 1. AC = 18; AB = 18"2 2. AC = 18"3; AB = 36 3. AC = 6"3; AB = 12"3 4. 2"2, or about 2.8 cm 5. 12"3, or about 20.8 mm

Geometry Chapter 8

Lesson Quiz 126

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