sine law and cosine law

Which Law would you use?

• Law of Sines
• Law of Cosines
• Law of the Jungle
• Law of Gravity

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Which Law would you use?

• Law of Sines
• Law of Cosines
• Law of the Jungle
• Law of Gravity

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

What is the measure of angle A?

• 50 degrees
• 60 degrees
• 78 degrees
• 74 degrees

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

Find the measure of ∠A

• 18
• 28
• 25
• 24

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

find X

• 52
• 33
• 41
• 29

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Find AC

• 12
• 10
• 23
• 14

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

What is the purpose of Heron's formula?

• To find the perimeter of a triangle given all 3 side lengths

• To find the area of a triangle given all 3 side lengths

• To find one side length of a triangle when given the other 2 side lengths

• To find the height of a triangle.

What values must you have to use Heron's formula?

• the perimeter of the triangle

• the measures of all 3 angles of the triangle

• the lengths of 2 sides of the triangle

• the lengths of all 3 sides of the triangle

If the sides of a triangle are 8, 8, and 8, what is the area?

• 8 square units

• 15.58 square units

• 27.71 square units

• 62.91 square units