The adjacent sides of a parallelogram abcd measure 34 cm
Asked by admin @ in Math viewed by 304 People
The adjacent sides of a parallelogram ABCD measure 34 cm and 20 cm, and the diagonal AC measures 42 cm. Find the area of the parallelogram.
Answered by admin @
Let abcd is a parallelogram
ad=34
dc=20
and ac=42
in Δadc
s=34+20+42=48
area of adc=whole in under root(48*14*28*6)
area of adc=336 cm²
now, it is a parallelogram so,
ad=bc=34
dc=ab=20
ac common=42
so area of cba=336 cm²
adding adc and cba=336+336=672cm²
hene area of abcd=672cm²
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