Question

Q Find Find the area of triangle whese sides are in the ratio of 5:6:7 and of perimeter 180cm. ​

Answer 1

Answer:

x=10

Step-by-step explanation:

1. take 5:6:7 =5x,6x,7x

2. area of triangle = sum of all sides

3. 180cm = 5x+6x+7x

4. 180cm = 18x

5. x = 180/18

6. x = 10

7. 5x = 5×10

= 50cm

8. 6x = 6×10

= 60cm

9. 7x = 7×10

= 70cm

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