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Can somebody help me out pleaseeee ??

Can somebody help me out pleaseeee ??-example-1
User Iolanda
by
8.3k points

2 Answers

2 votes

answer : 54cm^2

pythagorus’ theorum : a^2 + b^2 = c^2

so 9^2 + x^2 = 15^2, x being the missing length

work out x ...

81 + x^2 = 225

x^2 = 144

x = 12

area of a triangle : 0.5 x base x height

so 0.5 x 9 x 12 = 54

User Marty McVry
by
7.5k points
7 votes

Answer:

67.5cm^2

Explanation:

area of a triangle is 0.5xaxb

User Hamdi
by
8.3k points

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