Question

b)
2πY
2)
c) Ar
d) 1/4
4) How many lines of symmetry are there in an isosceles triangle?
a) 4
b) 3
c) 1
d) 2
5) The number of edges of a cube are
a) 8
b) 3
c) 6
d) 12
Q-4 Solve the following.
1) An article was sold for Rs. 525 with a profit of 5%. What was its cost price?
Find the sum of :-
-12
2 + 등
3) What is the area of a circle with diameter 42 cm? (it = 22/7)
4) If the area of a triangle is 1256mm’, its height is 31.4 mm, find its base.
5) Subtract 24xy-10 y-18 x from 30xy + 12y-14x
6)
Express 1024 as product of its prime factors in exponential form.
7) Find the product of:- -33 x-2
8) Draw any two figures which have the order of rotational symmetry 4.
9) Find the sum of 2x² + 3xy-5 and 7 + 2xy-x?.
10) Draw the net of a cube. Put the numbers 1 to 6 on the faces so that the numbers
opposite faces add to 7.​

Answer 1

Answer:

its prime factors in exponential form.

7) Find the product of:- -33 x-2

8) Draw any two figures which have the order of rotational symmetry 4.

9) Find the sum of 2x² + 3xy-5 and 7 + 2xy-x?.

10) Draw the net of a cube. Put the numbers 1 to 6 on the faces so that the numbers

opposite faces add to 7.