Question

Two adjacent angles of a parallelogram have equal measures. The measure of each of the angle of the parallelogram is-
(A) 50º, 90º, 110º and 110º
(B) 50º, 90º, 120º and 100º
(C) each of measure 90º
(D) none of these​

Answer 1

Answer:

(d) None of these

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Answer 2

Answer:

(D) each of measure 90°

Step-by-step explanation:

Let the adjacent angles be x .

We know sum of adjacent angles is 180° .

Atq,

=> x + x = 180°

=> 2x = 180°

=> x = 90°

Hence each angle will be 90° .