Two sides of a triangle are 26cm and 30cm. If perimeter of a triangle is 84cm, then find the area of triangle.
336 Sq.cm
330 Sq.cm
220 Sq.cm
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Answer:
336cm²
Step-by-step explanation:
Perimeter=84cm
Side 1=26cm
side 2=30cm
side 3=84-56=28cm
Semi-Perimeter(s)=84/2=42
Area=√s(s-a)(s-b)(s-c)
=√42*16*12*14
=336cm²
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