Quarter 3 exam review

A triangle has side lengths:

20, 21, 28

Is this triangle a right triangle, an acute triangle, or an obtuse triangle?

• right

• acute

• obtuse

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?

• 25 feet

• 26 feet

• 27 feet

• 28 feet

Tags

CCSS.8.G.B.8

A piece of paper that Brittany has is 11 inches tall and 8 inches wide. She draws a straight line diagonally across the paper. How long is the line she drew?

• 7.5 in

• 12.4 in

• 13.6 in

• 14.3 in

Tags

CCSS.8.G.B.8

What equation can be used to solve for x?

• Sin(40°)= x/40 
• Sin(40º)=x/19
• Cos(40º)=x/19
• Tan(40°)=19/x

Solve for the misssing distance

• 18.9
• 19.5
• 47
• 27.5

Find the measure of angle 1.

• 28^o
• 136^o
• 44^o
• 6^o

Angle 1 = 27^o
Find the measure of angle 4

• 27^o
• 153^o
• 63^o
• 90^o

Lines r and s are cut by a transversal. What value of x proves r ∥ s?

• 43
• 37
• 143
• 37

What similarity theorem would prove that these triangles are similar?

• SAS∼
• SSS∼
• AA∼
• Side Splitter

Tags

CCSS.HSG.SRT.B.5

Are the triangles similar?

• Yes
• No

Tags

CCSS.HSG.SRT.A.2