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3 years ago

5

I’ll give brainly

1 answer:

tresset_1 [31]3 years ago

6 0

Answer:

take 45 degree as reference angle

use sin rule

sin 45=opposite/hypotenuse

1/ $\sqrt{2}$ =b/10(do cross multiplication)

b $\sqrt{2}$ =10

b=10/ $\sqrt{2}$

Step-by-step explanation:

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