Question

6 5

-3 -2 -1
The area of triangle ABC is
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6
5
2
A
2
6
4
-5
-6
square units.
3
BO
no
5
6
7

Answer 1

A = 17.5 units²

Explanation:

the area (A) of a triangle is calculated as

A =
`(1)/(2)` bh ( b is the base and h the perpendicular height )

here b = AB = 7 units and h = BC = 5 units , then

A =
`(1)/(2)` × 7 × 5 =
`(1)/(2)` × 35 = 17.5 units²