Question

22. In the figure, if AB = 6 cm, BC = 7 cm and CA = 5 cm, determine BX.
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Answer 1

Answer:

BZ=BX (Tangent ..)

BZ=7-CZ

CZ=CY (tangent are equ.)

BZ=7-CY

BX=7-CY (CY=AC-AY)

BX=7-(AC-AY)

BX=7-AC+AY

BX=7-5+AY

BX=2+AY

AY=AX (Tangent are equ.from external point)

BX=2+AX

AX=AB-BX

BX=2+(AB-BX)

BX=2+6-BX

BX+BX=8

2BX=8

BX=4

HOPE YOU UNDERSTAND

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