Question

Using Heron's formula, find the area of a triangle ABC in which
AB = AC, base BC = 5 cm and the perimeter is 14 cm.
with solution ​

Answer 1

Observes the picture and describe it in five to six simple sentences. Q-5 Observe the picture carefully and write five sentences about it with the help of the words given in bracket. ( boat, clouds, fish, river, oil, foul smell, factories, pollution, mountains) (5)

Answer 2

Answer:

perimeter= 14c.m.

AB=AC= (14-5)/2

AB=AC=4.5cm

AB= a = 4.5cm

BC= b = 5cm

AC= c =4.5cm

s= 14/2= 7

area of triangle by herons formula =

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