Question

the ratio of the sides of a triangle are 4:5:6.if the perimeter is 300.find the area of the triangle​

Answer 1

Answer:

4000

Step-by-step explanation:

Let X be the commen multiple

therefore they sides are 4X , 5X and 6X

4X + 5X + 6X = 300

15X = 300

X = 300 / 15

X = 20

therefore they sides are

4X = 4 × 20 = 80

5X = 5 × 20 = 100

6X = 6 × 20 = 120

area of triangle = 1/2 × B × H

= 1/2 ×100×80

= 50 × 80

= 4000

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Answer 2

Answer:

let side of triangle be 4x,5x and 6x

~area of triangle= 1/2 × base × hight

300= 1/2 ×4x ×5x × 6x

300×2=120x

600/120=x

5=x

~4x= 4×5=20

~5x=5×5=25

~6x=6×5=30