Please help me in this question. Easy question.

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You can use Pythagoras theorem as it is a right angle

a^2 + b^2 = c^2

where 'c' is the hypotenuse

Rearrange this to find a side length

c^2 - a^2 = b^2

where 'b' is the missing length

10^2 - 8^2 = b^2

100 - 64 = b^2

b^2 = 36

Square root this to get the answer

b = 6cm

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step-by-step explanation:

i hope this : )