Q. 285.0( 4 Votes )

# In ΔABC, if ∠A + ∠B = 125° and ∠A + ∠C = 113°, then ∠A = ?

A. (62.5°)

B. (56.5)°

C. 58°

D. 63°

Answer :

A + B + C = 180

C = 180 – 125 = 55^{o}

A + C =113^{o}

A =113 – 55 =58^{o}

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