Question

please help me
7 std​

Answer 1

Answer:

a) AC²=AB²+BC²

17² = 15² + x²

289 = 225 + x²

x² = 289 - 225

x² = 64

x = √64

x = 8

Answer 2

Step-by-step explanation:

A)17^2=15^2+x^2 (Pythagoras theorem).

289=225+x^2

x^2=289-225

x^2=64

x=√64

x=8

B)7^2+24^2=x^2(Pythagoras theorem).

49+576=x^2

x^2=625

x=√625

x=25

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