Topic 8: Right Triangles and Trigonometry

What is BC?

Tags

CCSS.8.G.B.7

Which line segments with the given lengths form a right triangle?

• 28,45,53

• 33,56,64

• 37,77,85

• 6,8,10

Tags

CCSS.8.G.B.8

The hypotenuse of a 30°-60°-90° triangle has a length of 15 cm. Which could be the length of a leg of the triangle? Select all that apply.

• 9 cm

• 12

• 7.5

Tags

CCSS.8.G.B.8

Which is the area of the rectangle?

• 12,325 square units

• 12,615 square units

• 20,300 square units

      

• 22,272 square units

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Which is the sine ratio of ∠A?

Tags

CCSS.HSG.SRT.C.6

• sin 30°              

• cos 60°

                        

• sin 45°

• tan 30°

• cos 45°

Tags

CCSS.HSG.SRT.C.7

To the nearest tenth, which is the perimeter of ΔABC?

• 2.4  

•                

  6.8

• 4.4                        

• 11.8

Tags

CCSS.HSG.SRT.C.8

What is m∠A to the nearest tenth?

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

The ratios of the ______ of the angles in a triangle to the length of their ______________ sides are equal.

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Find the value of x to the nearest tenth.

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11