Question

In a parreleogram ABCD A=75 find B,C,D

Answer 1

Answer:

It is given that in a //gm ABCD in which ∠D = 75°.

To find the measure of :- ∠A , ∠B and ∠C.

Since opposite angles of //gm are equal.

•°• ∠B = ∠D = 75°

we know that any sum of two adjacent angles of //gm is 180°.

∠A + ∠B = 180°

=> ∠A + 75° = 180°

=> ∠A = 180° - 75°

=> ∠A = 105°

Since opposite angles of //gm are equal.

•°• ∠A = ∠C = 105°

Hence , the measures of ∠A = 105° , ∠B =75° and ∠C = 105°.

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