Question

21
X =
4x(-7)
(dividing both sides by
>r
Č
18
3x7
о
X =
4x7
or
)
3
فر)
2154227
4 뉜 뉜
X =
or
4
(sol
ox
los
is
21
15
Check: LHS =
-7
4
15
-
4
36
= 9
= RHS
4
91
==
4
(as req
4
31
EXERCISE 2.1
Solve the following equations.
1. x - 2 = 7
2. y + 3 = 10
3. 6 = Z + 2
4.
3 17
+ x =
7.
7
5. 6x = 12
6.
- 10
5
2x
7.
-18
8. 1.6 =
у
1.5
9. 7x - 9 = 16
3​

Answer 1

Step-by-step explanation:

Answer:

Properties of a \green{square}square :

•All sides are equal

•The angles at the vertices are 90°

•Diagonals are equal and bisect each other as well as the angles of the vertices.

•A diagonal divides the square into 2 right angled triangles and both the diagonals divide it into 4 right angled triangles.

•Opposite sides are parallel.

•Area of a square is equal to the square of any of its side.

•Perimeter of a square is equal to 4*any side

Hope this helps you.