Question

the perimeter of a triangular field is 180 cm and its sides are in the ratio of 13:12:5 what is the area of this triangular field?​

Answer 1

Answer:

use heron's formula

Step-by-step explanation:

(13+12+5)x = 30x

x = 180÷30=6

S1=78

S2=72

S3=30

x = 1/2 perimeter = 90

√{90(90-78)(90-72)(90-30)}

√(90*12*18*60)

√(1166400)

1080 cm² (your answer)

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