Question

Help !!!

Answer 1

The area of a triangle is equal to:
\[A=(1/2)bh\]You can solve both of these questions by plugging in your values for the base and height of the triangles. On the second one you'll need to do the Pythagorean theorem to find the height.

Answer 2

What don't you understand about vinnv226 answer?
First calculate the entire triangle (red and blue) and subtract the second triangle (red) to get the blue triangle.

Answer 3

i understand it just fine i'm working the problem out i know how to do it i just haven't closed it

Answer 4

Ah, I thought it was bumped to the top :p; soz