Question

herons formula
maths
class 9​

Answer 1

Answer:

area=root of s(s-a)(s-b)(s-c)

s=11+15+16/2

=21cm

area=root of 21*(21-11)(21-15)(21-16)

=root of 21*10*6*5

=root of 7*3*5*2*3*2*5

=5*3*2root7

=30root7

area=1/2*b*h

b=16cm

30root7=1/2*16*h

h=30root7/8

=15root7/4