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Please answer either or all of them and please show me how you solve it

Please answer either or all of them and please show me how you solve it-example-1
User Ira
by
8.4k points

1 Answer

4 votes

Answer:

Explanation:

using pythagoras theorem

a^2 + b^2 = c^2

4^2 + y^2 = 21^2

16 + y^2 = 441

y^2 = 441 - 16

y^2 = 425


y = √(425)


y = 5√(17)

y = 13.2

a^2 + b^2 = c^2

4^2 + x^2 = 7^2

16 + x^2 = 49

x^2 = 40 - 16

x^2 = 33

x =
√(33)

x = 5.7 m

User Gabrielgiussi
by
7.3k points

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