Question

FIRST CORRECT ANSWER GETS BRAINLEIST PLS HELP​

Answer 1

Answer:

$A\approx43.2\:\text{m}^2$

Step-by-step explanation:

Find the missing side using Pythagoras' Theorem

$a^2+b^2=c^2\\5^2+b^2=18^2\\25+b^2=324\\b^2=299\\b=\sqrt{299}\:\text{m}$

Find the area of the triangle

$\displaystyle A=\frac{bh}{2}\\ \\A=\frac{5\sqrt{299}}{2}\\ \\A\approx43.2\:\text{m}^2$

Answer 2

Answer:

45m2

Step-by-step explanation:

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