Question

The lengths of the sides of a triangle are in the ratio 4:5:6 and its perimeter is 150cm
Find the area of the triangle (ii) the height corresponding to the longest side.​

Answer 1

Answer:

let side be -x

Ratio-4:5:6

1st side-4x

2nd side-5x

3rd side-6x

perimeter of triangle=sum of all sides

4x+5x+6x=150

15x=150

x=10

1st side= 4x=40

2nd side=5x=50

3rd side=6x=60

Area of triangle = root75 (75-40)(75-50)(75-60)

= root 35×25×15×75

=10 root 1365

Answer 2

Explanation:

right answer is here

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