In the figure lines l,m,n are parallel. AP=PQ. find
1)BC if AB=3.5
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Answer:
ANSWER:
Let ABC and PQR be two right triangles with AB ⊥ BC and PQ ⊥ QR.
Given:
BC = 9, AB = 5, PQ = 6 and QR = 10.
∴A(△ABC)A(△PQR)=AB×BCPQ×QR=5×96×10=34
Page No 6:
Question 2:
In the given figure, BC ⊥ AB, AD ⊥ AB, BC = 4, AD = 8, then find A(ΔABC)A(ΔADB).
ANSWER:
Given:
BC = 4
AD = 8
∴A(△ABC)A(△ADB)=AB×BCAB×AD=BCAD [∵BC=4 and AD=8]=48
=12
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