X and Y are centres of circles of radius 9 cm. and 2 cm respectively XY=17 cm. Z is the centre of a circle of radius r cm which touches the above circles externally. Given that - ∠xzy = 90o the value of r is -
5 577 60532a174999e13f2a6d2c2f
Q:
X and Y are centres of circles of radius 9 cm. and 2 cm respectively XY=17 cm. Z is the centre of a circle of radius r cm which touches the above circles externally. Given that - ∠xzy = 90o the value of r is -
- 113 cmfalse
- 26 cmtrue
- 39 cmfalse
- 48 cmfalse
- Show Answer
- Workspace
- Discuss