Question

11. The given figure shows the jib AB of a crane. AB = 2.5 m. Find the height BC when AC IS 2.4 m.
АВ

Answer 1

Answer:

0.7

Step-by-step explanation:

Given :- AC = 2.4 , AB = 2.5

By Pythagoras theorem

(AB)^2 = (AC)^2+(BC)^2

or, (2.5)^2 = (2.4)^2+(BC)^2

or, 6.25 = 5.76 + (BC)^2

or, 6.25-5.76 = (BC)^2

or, 0.49 = (BC)^2

or, √0.49 = BC

or, 0.7 = BC

Hence BC = 0.7

Hope it help you

Answer 2

Step-by-step explanation:

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