LawSinesReinforcement

Identify the Law of Sines

• Sin²x + Cos²x =1
• Sin(A)/a = Sin(B)/b = Sin(C)/c
• Sin(A)Sin(B)Sin(C) = 1
• Soh-Cah-Toa

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

True/False: In order to use the Law of Sines, you must know a matching pair of angle & opposite side.

• True

• False

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Which of the following sets of given information can be solved with the Law of Sines? Select all that apply

• Given: side a, angle B, angle C

• Given: side b, angle A, angle B

• Given: side a, side b, side c

• Given: side c, side a, angle B

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

If the two angles of a triangle are 50 degree and 70 degree, then the measure of third angle is _____

• 50⁰

• 60⁰

• 70⁰

Tags

CCSS.8.G.A.5

In a right angled triangle, the side opposite to the right angle is called the _____

• base

• hypotenuse

• perpendicular

Tags

CCSS.HSG.SRT.C.8

In a right angled triangle, if one angle is 45 degree then the measure of the third angle is ______

• 90⁰

• 45⁰

• 180⁰

Tags

CCSS.HSG.CO.C.10

In a triangle if all angles are equal, then the measure of each angle is ______

• 45⁰

• 60⁰

• 90⁰

Tags

CCSS.HSG.CO.C.10

If the Pythagoras property holds, the triangle must be _____

• right angled

• acute angled

• obtuse angled

Tags

CCSS.HSG.SRT.B.4

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

When can Law of Sines be used?

• Oblique Triangles

• Right Triangles

• Both of these

When can the ratios, opp/hypotenuse, adj/hypotenuse be used?

• Oblique Triangles

• Right Triangles

• Both of these