Question

what is the area of a triangle if its sides are 75 cm and 90 cm and 105 cm


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Answer 1

Answer:

$area \: of \: a \: triangle \: = \frac{1}{2} \times base \times height \\ \frac{1}{2} \times 90 \times 75 \\ 45 \times 75 \\ 3375 \: c {m}^{2} \\ hope \: it \: helps \: u \: plz \: mark \: it \: as \: brainliest$

Answer 2

Answer:

first of all we find semi perimeter of triangle

a+b+c/2=135

by using herons formula √s(s-a) s-b s-c

please try this method.