Question

CAN SOMEONE PLEASE HELP ME

Answer 1

Use Heron's formula, which takes the form of S=(a+b+c)/2

Heron’s Formula Example

For a triangle with sides a =4 b = 3, and c = 5:

s = (4+3+5)/2
s = (12)/2
s = 6

Area = sqr(s(s-a)(s-b)(s-c). Replace Area in the equation with its equivalent in the area formula: 1/2bh (or 1/2ah or 1/2ch).

Solve for h. For our example triangle this looks like:

1/2(3)h = sqr(6(6-4)(6-3)(6-5).
3/2h = sqr(6(2)(3)(1)
3/2h = sqr(36)

Use a calculator to calculate the square root, which in this case makes it 3/2h = 6.

Therefore, height is equal to 4, using side b as the base.

Now, substitute your values into the formula.