Question

Triangle ABC has the angle measures shown.

mZA= (2x)"
m28=(5x)"
m/C=(11x)"
Mark this and retum
Which statement is true about the angles?
mZA= 20°
OmZB=60°
O ZA and 28 are complementary
mZA+mZC = 120⁰
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Submi

Answer 1

Answer:

B) m∠B = 60°

Explanation:

m∠A + m∠B + m∠C = 180°

2x + 3x + 4x = 180

9x = 180

x = 20

m∠A = 40°

m∠B = 60°

m∠C = 80°

Explanation: