Question

find angle b and angle c​

Answer 1

given★

• ∆ABC.

• where AB=AC

• $\angle{A=65°}$

find★

$\angle{B}$ and $\angle{C}$

solution★

• in ∆ABC. AB=AC

• angle B = angle C----------(1)

• and given angle A=65°--------(1)

• we know that sum of ∆ interior angle 180°

• in ∆ABC

• angle A+B+C=180°

• EQ 2 value put

• angle B+C=180-65°

• eq (1) angle B=C

• 2B=115°

• B=115°/2

• so

angle B=angle C=115°/2 or 57.5°

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I hope it helps you