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Unit 11 Test

Authored by Heather Klein

Mathematics

8th Grade

CCSS covered

Used 37+ times

Unit 11 Test
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10 questions

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1.

MULTIPLE SELECT QUESTION

3 mins • 10 pts

Vocabulary: Select the three statements that are true about the hypotenuse.

All triangles have a hypotenuse.

The hypotenuse is the longest side of a right triangle.

The hypotenuse is the shortest side of an obtuse triangle.

If a triangle is right, then the square of its hypotenuse equals the sum of the squares of the other two sides.

In a right triangle, the hypotenuse is the side opposite the 90° angle.

2.

DRAG AND DROP QUESTION

3 mins • 10 pts

Triangle LMN has side lengths of 18.5 inches, 10 inches, and 15.5 inches. Is triangle LMN a right triangle? Complete the sentence below.

Triangle LMN ​ ​ (a)   a right triangle.

is not
is

Tags

CCSS.8.G.B.8

3.

DROPDOWN QUESTION

3 mins • 10 pts

What information must you know about a triangle in order to use the Pythagorean Theorem to find the length of a missing side?

In order to use the Pythagorean Theorem, you must know the length(s) of ​ (a)   of the triangle and know that one of the angles is ​ (b)   .

any two sides
any side
all three sides
exactly 90°
less than 90°
greater than 90°

Tags

CCSS.8.G.B.8

4.

FILL IN THE BLANK QUESTION

3 mins • 10 pts

Media Image

Find the unknown side length. Round to the nearest tenth. Enter your answer in the box.

Tags

CCSS.8.G.B.7

5.

FILL IN THE BLANK QUESTION

3 mins • 10 pts

The lengths of the legs of a right triangle are 8 inches and 9 inches. What is the length of the hypotenuse? Round to the nearest inch. Enter your answer in the boxes below.

Tags

CCSS.8.G.B.7

6.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

The three side lengths of four triangles are given. Which triangle is a right triangle?

Media Image
Media Image
Media Image
Media Image

Tags

CCSS.8.G.B.8

7.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

The top of a ladder rests at a height of 15 feet against the side of a house. If the base of the ladder is 6 feet from the house, what is the length of the ladder? Round to the nearest foot.

9 ft

14 ft

16 ft

21 ft

Tags

CCSS.8.G.B.8

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