Question

In rhombus ABCD, ang a=ang b-30° , then find ang c​

Answer 1

Since , Angle B = 30°

And ,

Angle A = Angle C ,

Therefore ,

Angle C = 30°

Answer 2

Here's your answer

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In Rhombus , the sum of adjucent angles are 180°

So ,< A +< B = 180°

Now , <A= <B-30°

therefore,

<B-30+<B= 180

=>2<B = 180+30

=>< B = 210/2

=> <B = 105

And , <A = 105 -30

<A= 75

Since , opposite angles of Rhombus are equal so

<A =< C

Therefore< C = 75°

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