Solving for Angles in Triangle

Find the measure of the indicated angle. 

• 40

• 108

• 72

• 68

Solve for x. 

• A

• B

• C

• D

Find the value of x.

Mathematical Equivalence

ON

Match the following measurements with the missing angle.

• Angle 4

• 46

• Angle 5

• 42

• Angle 6

• 92

In triangle ABC, if m<A is six less than seven times x, m<B is five less than three times x, and m<C is five less than four times x, find the measure of angle <A.

In triangle ABC, if m<A is six less than seven times x, m<B is five less than three times x, and m<C is five less than four times x, find the measure of angle B.

In triangle ABC, if m<A is six less than seven times x, m<B is five less than three times x, and m<C is five less than four times x, find the measure of angle C.

In triangle JKL, if m<J is seven less than m<L and m<K is 21 less than twice m<L, find the measure

of angle J.

In triangle JKL, if m<J is seven less than m<L and m<K is 21 less than twice m<L, find the measure

of angle K.

In triangle JKL, if m<J is seven less than m<L and m<K is 21 less than twice m<L, find the measure

of angle L.