Question

Find the area of the triangle whose sides measure 52 cm, 56 cm and

60 cm respectively. CLASS9 ONLY​

Answer 1

Answer:

Using herons formula.

to find p, we use the formula: (a+b+c)/2

we get:  168/2 = 84

then, to find the area, we use the formula: $\sqrt{p(p-a)(p-b)(p-c)}$

so we get:

$\sqrt{84(84-52)(84-56)(84-60)}$

= $\sqrt{84(32)(28)(24)}$

=$\sqrt{1806336}$

=1344

so, the area of the triangle is 1344$cm^{2}$

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