Question

two sides of a triangle are 13cm and 14 cm, and perimeter is 36 cm. Find area of the triangle ​

Answer 1

Answer:

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Answer 2

Answer :-

Apply Heron's Formula

$\huge{\sf{\sqrt{Area \: = \: S(S-A)(S-B)(S-C)}}}$

_________[Put values]

$\large{\sf{\sqrt{18(18-13)(18-14)(18-9)}}}$

$\large{\sf{\sqrt{18(5)(4)(9)}}}$

$\large{\sf{\sqrt{2*3*3*5*2*2*3*3}}}$

$\large{\sf{2*3*3{\sqrt{5*2}}}}$

$\large{\sf{18{\sqrt{10}}}}$

$\large{\sf{56.920}}$

$\large{\sf{57}}$

$\huge{\sf{Area \: = \: 57 cm^{2}}}$