In ΔABC, AP⊥BC,BQ⊥AC B- P-C,A-Q-C then prove that,ΔCPA ~ ΔCQB.If AP = 7, BQ=8, BC=12 then find AC.
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Step-by-step explanation:
In ΔCPA and ΔCQB
AP⊥BC........GIVEN
BQ⊥AC........GIVEN
∠CPA=90°............1
∠CQB=90°............2
∠CPA≅∠CQB.........from 1 and 2
∴ΔCPA~ΔCQB
In ΔABC
AP=7
BQ=8
BC=12
AC=?
∴AP/BQ=AC/BC
∴7/8=AC/12
∴AC= 12 x 7/8
∴AC=10.5
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