Question

A triangle has vertices at (-2, 1), (1, 1), and (1, -3). Find its area and round to the nearest whole number if necessary.do not include units in your answer

PLEASE HELP ME

Answer 1

• 6

Explanation:

Plot the points and connect in pairs.

We got a right triangle.

The legs have the length:

• 1 - (-2) = 3 units and
• 1 - (-3) = 4 units

The area of the triangle is:

• A = 1/2bh
• A = 1/2*3*4 = 6 square unit