Question

what is area of the triangle in a coordinate plane. a 9.0. b 14.0 c16.5. d 24.5 ​

Answer 1

Answer:

c. 16.5

Step-by-step explanation:

It's the right triangle.

The formula of an area of a right triangle:

$A=\dfrac{(leg)(leg)}{2}$

Look at the picture.

We have

$leg=3,\ leg=11$

Substitute:

$A=\dfrac{(3)(11)}{2}=\dfrac{33}{2}=16.5$