Angles, Triangles, Circles, Composite Figures

A rectangular piece of paper with length 28 cm and width 12 cm has two semicircles cut out of it, as shown. Find the area of the paper that remains. Use the value 3.14 for π, and do not round your answer.

In the figure,

m∠4 = 48°. What other angle is also 48°?

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• 
• 

The figure is an example of a(n) ...

• angle bisector

• perpendicular bisector

• median

• midsegment

Find the largest angle in Δ PRQ

• ∠R

• ∠P

• ∠Q

• ∠S

Find the largest side in Δ BCD

• Segment BC

• Segment DB

• Segment DC

• Segment AB

The figure is an example of a(n) ...

• altitude 

• perpendicular bisector

• midsegment

• angle bisector

Which of the following segments represents an altitude?

• BX

• AZ

• AC

• BZ

Which of the following segments represents a median?

• BX

• AZ

• AC

• BZ

The smallest angle would be located where in a triangle?

• Across from the smallest side.

• Across from the largest side

• Cannot tell

Where would the largest side of a triangle be located?

• Across from the largest angle.

• Across from the smallest angle.

• Next to the smallest side.

• Across the smallest side.