Law of Sines, Cosines and Area

Find the exact area of the triangle

• 13.9 in²
• 13.8 in²
• 14.0 in²
• 27.9 in²

Tags

CCSS.HSG.SRT.D.9

Find the area of the triangle

• 24.0 cm²
• 47.9 cm²
• 19.7 cm²
• 23.967 cm²

Tags

CCSS.HSG.SRT.D.9

If you know the lengths of three sides to a triangle, what formula can you use to find an angle measure?

• Law of Sine
• Law of Cosine
• Law of Tangent
• Law of Sign

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

If you know the lengths of two sides and the angle between them, use this formula to find the side opposite the angle you know.

• Law of Sign
• Law of Cosine
• Law of Tangent
• Law of Sine

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Find AB

• 10.03
• 8.04
• 6.10
• 4.93

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Find the measure of ∠A

• 18
• 28
• 25
• 24

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

What is the length of side x?

• 130 cm
• 112 cm
• 150 cm
• 105 cm

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Solve the Triangle
a=38, b= 31, c= 35
Find A, B and C

• A= 43°, B= 47°, C= 90°
• A= 70°, B= 50.1°, C= 59.9°
• A= 50.1°, B= 70°, C= 59.9°
• A= 60°, B= 70°, C= 50°

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Two cables, with lengths of 40 feet and 35 feet, are tied from the top of a pole to stakes in the ground. If the stakes are 30 feet apart, find the height of the pole.

• 30.6 ft

• 33.9 ft

• 36.2 ft

• 39.5 ft

Tags

CCSS.8.G.B.8

A fireman spots a stranded woman in the window of a 200-foot tall office building. From the point where the fireman is standing, the angle of elevation to the stranded woman is 42° 33’ and to the top of the building is 58°6’.

How far from the ground is the stranded woman?

• 108.8 ft

• 114.3 ft

• 121.1 ft

• 124.5 ft

Tags

CCSS.HSG.SRT.C.8