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Please help me with these, find the missing side. Thank yu only if you know

Please help me with these, find the missing side. Thank yu only if you know-example-1
User Klikerko
by
5.2k points

1 Answer

4 votes

Answer:

7.48m (3s.f.)

Explanation:

Let the missing side be x m.

Applying Pythagoras' Theorem,

x² +5²= 9²

x² +25= 81

x²= 81 -25 (-25 on both sides)

x²= 56


x = √(56)


x = 2 √(14)

x= 7.48 (3 s.f.)

∴ The missing side is 7.48 m (3s.f.)

User Shiznatix
by
4.4k points