If a b is equal to 14 centimetre bc is equal to 13 cm cd is equal to 17 cm da is equal to 8 cm and ac is equal to 15 cm then find the area of quadrilateral abcd
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Answer:
Step-by-step explanation:
here we can use the heron's formula,
in ΔABC,
first we need to find the semi perimeter of ABC,
S=14+15+13/2
=21
area=
=
=
=
in ΔADC,
S = 8+15+17/2
= 20
area=
=
=
= 60
area of quadrilateral ABCD = area(ABC) + area(ADC)
= + 60
= 12( + 5)
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