Question

i know help.

Answer 1

with...?

Answer 2

can you guys see it?

Answer 3

yes. OK, they tell you the formula for a triangle's area, and they tell you the base and the height. So what do you do?

Answer 4

well the formula is (1)/2bh and the courtyard is √90 and height is 10+√3
so its either a or c right?

Answer 5

Do it step by step, first multiply out 1/2 * b * h without yet simplifying the radicals; what do you get?

Answer 6

bh/2?

crap i dont understand this

Answer 7

yes, but substitute in the actual numbers they gave you for b and h

Answer 8

okay hold on

Answer 9

i got 15√(10)+√(3)?

Answer 10

Before you simplify what do you get?

Answer 11

You're multiplying 1/2 * Sqrt[90] * (10 + Sqrt[3]). So distribute the sqrt[90] first.

Answer 12

:(