Geo Unit 7 Lessons 1 -2 Review

Level 1

The Pythagorean Theorem ONLY works on which triangle?

• obtuse

• scalene

• isosceles

• right

Tags

CCSS.8.G.B.8

Level 1

If a right triangle has side lengths 6, 6.7 and 3, which side is the hypotenuse?

• 6

• 6.7

• 3

• 15.7

• None of them

Tags

CCSS.HSG.CO.C.10

Level 2

Do the segment lengths 15, 12, and 9 form a right triangle?

• Yes

• No

Tags

CCSS.8.G.B.8

Level 3

Find the length of the missing side.

• 20 in.

• 68 in.

• 16 in.

• 80 in.

Tags

TEKS.MATH.8.7C

Level 4

You need a ladder that will reach up a 25 foot tall house when placed 10 feet away from the house. How tall does the ladder need to be?

• 23 feet

• 26 feet

• 27 feet

• 22 feet

Tags

CCSS.8.G.B.8

Solve for x. SIMPLIFY your radical answer completely.

• 4√2
• 2√4
• 2√2
• 16√2

Tags

CCSS.8.G.B.7

Solve for x. SIMPLIFY your radical answer completely.

• 4√22
• 22√4
• 22√2
• 2√22

Tags

CCSS.8.G.B.7

Solve for x. SIMPLIFY your radical answer completely.

• √3
• 3
• √41
• 41

Tags

CCSS.8.G.B.7

Your family wants to purchase a new laptop with a 17" widescreen. Since the 17 inches represents the diagonal measurement of the screen (upper corner to lower corner), you want to find out the actual dimensions of the laptop. When you measured the laptop at the store, the height was 10 inches, but you don't remember the width. Calculate the width of the laptop to the nearest tenth of an inch.

• 7 inches

• 10 inches

• 19.7 inches

• 13.7 inches

Tags

CCSS.8.G.B.8

In this 45-45-90 triangle, I have been given a leg, so to find the other leg I...

• Multiply that leg by 2
• Use the same length for the second leg
• Multiply that leg by √2
• Divide that leg by √2

Tags

CCSS.8.G.B.8