Question

plz solve the 13th sum which is on the top

Answer 1

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Answer 2

HERE'S UR ANS...

Assume that ΔABC is a right angle Δ.
Then by using Pythagoras theorem,

AC²= AB² + BC²
10²= 8² + 6²
100= 64 + 36
100= 100

hence LHS = RHS
so, it satisfy the Pythagorean theorem and we know that Pythagorean theorem is applicable only on right angle Δ.

SO, ANGLE ABC= 90°

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