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WorksheetsRevision H.W IX(ch2,10)
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
a)
3cm
b)
2cm
c)
4cm
d)
1cm
2.
A ____ drawn from the centre of a circle to the chord, bisects the chord.
a)
Arc
b)
Angle
c)
Perpendicular line
d)
Diagonal
3.
a)
50°
b)
45°
c)
60°
d)
40°
4.
A chord is diameter.
a)
Always True
b)
Never True
c)
Sometimes true
5.
a2 + b2 + c2 - 2ab - 2ac +2bc
a)
( a - b - c)2
b)
(-a - b - c)2
c)
(a- b - c )3
d)
( - a +b + c )2
6.
(e - f )3
a)
f 3 - e 3 - 3e2f + 3f2e
b)
e2 - f2 - 3f2e + 3e2f
c)
-3e2f + 3f2e +e3 - f3
d)
e2 - 3e2f + 3f3e - f3
7.
k2 - l2
a)
( k- l)(k - l)
b)
(k - l)( k + l)
c)
(-k + l)(l - k)
d)
(-l + k)(k + l)
8.
a3 - b3
a)
(a - b) (a2 + b2 - ab)
b)
(a - b) ( a2 + 2ab + b2)
c)
(a- b) ( a2 - ab + b2)
d)
(a - b) ( a2 + ab + b2)
9.
a3+ b3
a)
(a + b) ( a2 -2ab + b2)
b)
(a + b)3 - 3ab(a + b)
c)
(a + b) ( a2 - ab + b2)
d)
(a2+ b)(a + b2 _ ab)
10.
state true or false :
( p - q)2 and ( q - p)2 are same.
hint : there is (—)sign not (+) sign .be careful
a)
True
b)
False
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