Question

In a parallelogram ABCD ,if (2x +25) and

Answer 1

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In ||gm ABCD

AD || BC

/_A + /_B = 180° (co - interior angles)

(2x + 25)° + (3x - 5)° = 180°

5x + 20° = 180°

5x = 160°

x = 32°

/_A = (2x + 25)° = (2 × 32 + 25)° = 89°

/_B = (3x - 5)° = (3 × 32 - 5)° = 91°

Now, As we know that

Opposite angles of ||gm are equal.

So,

/_A = /_C = 89°

And

/_B = /_D = 91°

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$\tt{Hope \ this \ helps.}$