Question

Attention class 10th cbse...a vaery imp ques. for boards 2020.

PLS SOLVE QUESTION NO. 32.
I WILL MARK THE CORRECT ANSWER.

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Answer 1

Answer:

Step-by-step explanation:

construction to be done

join c to d a point on ab

40/2 = 20cm

angle cab = 45

we have to find cd

tan 45 = cd / 20

1 = cd/20

cd = 20 cm

ac = ?

sin 45 = cd/ac

1/root2 = 20/ac

ac = 20 root 2 cm

bc = ?

sin 30 = cd/bc

1/2 = 20/bc

bc = 40 cm

Answer 2

Step-by-step explanation:

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WESE PEHLE SE SOLVE KIYA THA

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