In the figure, in ABCpoint Don
side BC is such that,
ZBACHADO
Prove that, CA CBX CD
Answers
Answered by
4
Answer:
hii dear,
good morning.
Step-by-step explanation:
Given : ∠BAC=∠ADC.
To Prove : CA2=CB×CD
Proof : In ΔABC and ΔDAC
∠BAC=∠ADC(Given)
∠C=∠C (Common)
By AA test of similarity.
ΔABC∼ΔDAC
∴ACBC=DCAC (Corresponding side are proportional)
⇒AC2=BC×DC
Hence proved.
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