Question

A triangle has vertices located at the coordinates (17,-3), (-7,11) and (17,11). What is the area of the triangle?

A. 40 sq units
B. 70 sq units
C. 96 sq units
D. 144 sq units
E. 168 sq units

Answer 1

E. 168 sq units

Explanation:

The legs of this right triangle have length 24 and 14, so the area is ...

... A = (1/2)bh = (1/2)(24)(14) = 168 . . . . sq units