Question

Please help! What type of triangle is given by the points D (1, 1), E (3, 8) , and F (5, 1) ?

Answer 1

Isoceles

Explanation:

Use the distance formula for each side

`\sqrt{(x_(2) -x_(1) )^2 + (y_(2) - y_(1))^2`

(x1, y1) (x2, y2)