Question

Please help! Use the following to answer the question. Triangle a = 12, b = 15, c = 21.

The area =
a. 61
b. 88
c. 119
d. 301

Answer 1

i suppose there's no figure?

Answer 2

use hero formula here.

Answer 3

@Igba so figure. @sami-21 What's the hero formula?

Answer 4

\[\Huge Area=\sqrt{s(s-a)(s-b)(s-c)}\]
where
\[\Huge s=\frac{a+b+c}{2}\]

Answer 5

can you find it now ?

Answer 6

Thanks :)

Answer 7

you 're welcome :)