mathematics Flashcards
examination unit 1
1
Q
underline words . ……figures are figures all of whose points lie in the same plane.These figures can be pictured on a ……
A
plane geometric and flat surface
2
Q
triangle
A
3
3
Q
hexagon
A
6
4
Q
nonagon
A
9
5
Q
octagon
A
8
6
Q
decagon
A
10
7
Q
quidrilateral
A
4
8
Q
heptagon
A
7
9
Q
pentagon
A
5
10
Q
ratonal numbers.1a.add the following rational numbers 3/7 and -5/7
A
3/7 + -5/7 =3-5/7=-2/7
11
Q
ch2 formula. algebraic expression .a no increased by 10 =
A
x+10
12
Q
a no decreased by 27=
A
x-27
13
Q
twice a no added to 12=
A
x=x12
14
Q
five times a no decreased by 105
A
5x-105
15
Q
ch3 no of diagonal
A
(n-3)/2
