find the area of parallelogram ABCD with DC =5cm, BC = 7cm and one of its diagonal is 8cm
Answers
Answered by
5
HEY MATE ,
AREA OF triangle ABC (by heron's formula )
a= AB ,b=BC, c=AC
s=a+b+c÷2
=5+7+8÷2
=20÷2
=10
area of triangle =
WE KNOW THE DIGONAL OF PARALLELOGRAM DEVIDES INTO TWO CONGRATULATIONS TRIANGLE.
=area of parallegram ABCD=2×ate of triangle ABC
=
=
I hope it helps u ❣❣❣
Answered by
1
Answer:
THE ANSWER IS 10√3 cm²
Step-by-step explanation:
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