Question

5. The coordinates of the vertices of a triangle are
(3,5), (9, 13), (10,6). Prove that this triangle is isos-
celes. Calculate its area.​

Answer 1

Answer:

use this formula

$\sqrt{ {(x2 - x1)}^{2} + {(y2 - y1)}^{2} }$

Step-by-step explanation:

let A(3,5)

B(9,13)

C(10,6)

find distance from

AB,BC,CA