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(21) In the opposite figure:
C
∆ ~∆ , then the value of = ………
5
( + 4)
D B
3 A (2 + 3)
E

(a) 11 (b) 1 (c) 12 (d) 10

In the opposite figure:
(22) is a right –angled triangle at , ⊥ ,then A
̅̅̅̅ ̅̅̅̅

= ….. 30

C 32 D B

(a) 18 (b) 25 (c) 24 (d) 20

(23) In the opposite figure: C A
̅̅̅̅ 4
is a tangent to the circle at ,
̅̅̅̅
then the length of = …..
B D

1 1
(a) 6 (b) 8 (c) 6 (d) 7
4 4

(24) If the ratio between the lengths of the diagonals of two squares is 2 : 5 and the
2
2
area of the smaller one is 4 , then the area of the greater one is ………
(a) 25 (b) 10 (c) 20 (d) 50

(25) In the opposite figure:
̅̅̅̅ ̅̅̅̅ 2 D A
∩ = { } , (∆ ) = 900 ,
2
then (∆ ) = ……. E

B C
(a) 1296 (b) 1080 (c) 750 (d) 625

(26) In the opposite figure:
⃗⃗⃗⃗⃗ F D
is a tangent to the circle at ,
L
= 10 , = 3.2 ,
= 8 and = , E
C
then = ….. cm
A
B

(a) 8 (b) 4 (c) 6 (d) 10