Question

7.The perimeter of a triangular field is 840cm and its sides are in the ratio 6:7:8.Find the area of the fiel

Answer 1

Step-by-step explanation:

Given, perimeter of a triangular field is 420 m and its sides are in the ratio 6:7:8. Let sides of a triangular field be a = 6x, b = 7x and c = 8x. ⇒ x = 420/21 = 20 m

Answer 2

Answer:

fill in the blanks of (21)²