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Question

State 'T' for true and 'F' for false.
I. If one angle of a cyclic trapezium is four times the other, then the greater one measures 144.
II. The length of the direct common tangent to two circles with radii R and r, having distance between the centres d, is d2(Rr)2
 



Your Answer
A

(I) F (II)F

Your Answer
B

(I) T (II)F

Correct Answer
C

(I) T (II)T

Your Answer
D

(I) F (II)T


Solution

The correct option is C

(I) T (II)T


 I. T
In cyclic quadrilateral (trapezium),
Sum of opposite angles =180
x=4x=1805x=180x=36Greaterangle=4x=4×36=144
II. T,  The length of the direct common tangent to two circles with radii R and r, having distance between the centres d, is d2(Rr)2



 

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