Question

find the area by herons formula if sides a = 2 , b = 2, c = 7 plz need shorted answer ​

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 = 30cm
2

Please mark as Brainliest.