Question

using herons formula find the area of a triangle whose are 20cm,30cm and 40cm.√15=3.873​

Answer 1

Answer:

Using heron's formula, find Area of triangle

whose sides are 5 cm, 12 cm & 13 cm

→ Area =

S(S−a)(S−b)(S−c)

S=

2

a+b+c

=

2

5+12+13

=15

→ Area =

15(15−5)(15−12)(15−13)

=

15×10×3×2

=

900

Area = 30cm²

Answer 2

Answer:

This is the answer to understand.

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