1.

Help me in this question ❓ please​

Answer»

Step-by-step explanation:

LET the ratio be

3x:4x:5x

perimeter of triangle = 3x + 4x +5x

144= 12x

12 = x

then,

3x = 3 ×12

= 36

4x = 4×12

48

5x = 5×12

60

i)

area \: of \: triangle = \frac{1}{2} \times b \times h \\ \\ = \frac{1}{2} \times 36 \times 48 \\ \\ = 18 \times 48 \\ \\ = 864

ii)

hypotheses is the longest side

so the ANSWER is 60.

I THINK so this is the answer.


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