2 Answers

Kennyhyun · Answer 1 · 2021-02-08T12:06:29+0000

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$area = (1)/(2) * (height) * (base) \\$

$height = 11 \: \: cm$

$base = 18 \: \: cm$

Thus :

$area = (1)/(2) * 11 * 18 \\$

$area = (18)/(2) * 11 \\$

$area = (2 * 9)/(2) * 11 \\$

area = 9 * 11

$area = 99 \: \: {cm}^(2)$

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