Question

The sides of a right triangle ABC are 5cm,12cm and 13cm.find the area of the triangle by heron's formula

Answer 1

Answer:

we know according to pythagoras theorem that the square of the longest side is equal to the sum of squares of other two sides. and the other two sides are: 12 cm and 5cm. ... yes the triangle given over here is right angled triangle as the square of the longest side is equal to the sum of squares of the other two sides

Step-by-step explanation:

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Answer 2

Answer:30cm sq

Step-by-step explanation:

a=5 b=12 and c=13

s= 5+12+13÷2 = 30÷2 = 15

Area = √s (s-a) (s-b) (s-c)

= √15 (15-5) (15-12) (15-13)

=√15x10x3x2

=√900 = 30cm^2