Question

The base side od two triangle of equsl altitide is 15 cm and 12 cm , the area if the first triangle is 315 cm square .what is the area of the second triangle ​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

$let \: the \: base \: of \: both \: triangle \: be \: x$

A/Q

$area \: of \: triangle = \binom{1}{2} \times base \times altitude$

$\binom{1}{2} \times x \times 15 = 315$

$\binom{1}{2} x = \binom{315}{15}$

$x = \binom{315 \times 2}{15}$

$x = 42$