Discussions
Select Date
Tags:
sunil kumar

· started a discussion

· 1 Months ago

Angle XZY =90 not Angle XYZ

Question:
X and Y are centres of circles of radii 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 \(\angle \)XZY= 90ยบ, the value of r is:
Options:
A) 13 cm
B) 6 cm
C) 9 cm 
D) 8 cm
Solution:

Ans: (b)

Knowledge Expert

· commented

· 1 Months ago

Dear student,

Yes you are right... it is XZY= 90 degree. shortly we will be fixed it.

Keep learning keep solving
Best wishes
Team TR

All Rights Reserved Top Rankers