Math, asked by pagoxe6324, 7 months ago

Plzz solve
2nd one
Step by step
heron's formula

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Answered by bangtangirl1
18

s=\frac{5+12+13}{2} \\ s=\frac{30}{2} \\ s=15 \\ \\ Area \: of \: triangle=√s(s-a)(s-b)(s-c) \\ =√15(15-5)(15-12)(15-13) \\ =√15×10×3×2 \\ =√900 \\ =30 \: cm^2

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