Question

The diagram shows a triangle ABC.

B
Not drawn accurately
12.5 cm
A
4.6 cm
Work out the area of the triangle.
Give your answer to 1 decimal place.


please help and show working

Answer 1

Explanation:

Answer 2

A ≈ 5.8 cm²

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 = 4.6 and h = 2.5 , then

A =
`(1)/(2)` × 4.6 × 2.5 = 2.3 × 2.5 ≈ 5.8 cm² ( to 1 dec. place )