Question

5. Find the area of a triangle if its sides are
21 cm, 17 cm and 10 cm

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Answer 1

Answer:

Area = 84 $cm^{2}$

Step-by-step explanation:

Answer 2

Step-by-step explanation:

Let,

longest side=hypotenuse=21, base=10, height=17

Area of triangle= 1/2×base×height

= 1/2×10×17

=5×17

= 85