Question

find the area of triangle ,two sides of which are 12 cm and 14 cm and perimeter is 42 cm.​

Answer 1

Answer:154cm

Step-by-step explanation:

Answer 2

$area \: of \: triangle = ab \div 2$

$= (12 \times 14) \div 2$

$168 \div 2$

$84$

$area = 84$

$perimeter = 42$

here now to find a last part of area we have to subtract perimeter from area.

$84 - 42$

$= 42$

therefore perimeter and area of the triangle are both same which are equal to 42cm

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