Triangle trig, law of sines/cosines and area

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

Solve the right triangle.

• <B = 39^o, AB = 11.58, AC = 7.29
• <B = 39^o, AB = 7.29, AC = 11.58
• <B = 129^o, AB = 11.58, AC = 7.29
• <B = 129^o, AB = 7.29, AC = 11.58

Tags

CCSS.HSG.SRT.C.8

Solve the right triangle.

• <A = 34^o, <C = 56^o, AC = 5.59
• <A = 56^o, <C = 34^o, AC = 5.59
• <A = 34^o, <C = 56^o, AC = 9.01
• <A = 56^o, <C = 34^o, AC = 9.01

Tags

CCSS.HSG.SRT.C.8

A vertical tower is 20 m high from the horizontal ground. The angle of depression of a ball from the top of the tower is 42°. Calculate the distance, in m, of the ball from the base of the tower

• 18.01 m
• 29.89 m
• 13.38 m
• 22.21 m

Find the area:

• 104.5 units²

• 120 units²

• 80.5 units²

• 2400 units²

Tags

CCSS.6.G.A.1

What is the length of side x?

• 6.57 cm
• 7 cm
• 7.44 cm
• 26.33 cm

Tags

CCSS.HSG.SRT.C.8

Solve for x. Round to the nearest tenth.

• 9.8
• 0.1
• 0.038
• 9.9

Tags

CCSS.HSG.SRT.C.8

Find the measure of the indicated angle (?) round to the nearest tenth.

• 9.4
• 55.2
• 20.15
• 19.4

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Find Cos(A) as a decimal rounded the the nearest ten-thousandth.

• .4706
• 1.875
• .8824
• .5333

Tags

CCSS.HSG.SRT.C.6

Find the area of ABC to the nearest tenth, if necessary. 

• 240.2 cm²
• 240.3cm²
• 175.6cm²
• 100cm²

Tags

CCSS.HSG.SRT.D.9