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2021

Mathematics

POST UTME

A man standing on top of a 15m high cliff looks at a worker some distance from the bottom of the cliff. If the distance between the man and the worker is 35m, what is the distance between the worker and the foot of the building?

A.

10√8 m

B.

10√10 m

C.

10√2 m

D.

10√5 m

Correct Answer: 10√10 m

Explanation

using pythgoreans theorem

352=x2+15235^2 = x^2 + 15^2

x2=1000x^2 = √1000

10√10 m

using pythgoreans theorem

352=x2+15235^2 = x^2 + 15^2

x2=1000x^2 = √1000

10√10 m

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