Test:
Area - Ambitious
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Question 1:
Find the side length of a square if its diagonal is equal to
8
2
A
16
c
m
B
4
2
C
8
c
m
D
6
2
Question 2:
Find the side length of an equilateral triangle if its height is equal to
6
A
2
3
B
2
2
C
6
D
6
Question 3:
Which of the sets of numbers are the side lengths of a triangle?
A
2
2
,
2
,
1
B
6
,
5
,
4
C
12
,
8
,
3
D
1
,
2
,
3
Question 4:
Which of the sets of numbers are the side lengths of a triangle?
A
1
2
,
1
3
,
1
6
B
2
,
3
,
5
C
8
,
12
,
8
D
1
,
1
,
6
Question 5:
Find the perimeter of a rectangle:
A
4
a
+
1
B
4
a
C
4
a
−
1
D
4
a
+
4
Question 6:
Find the side length of a square if its area is equal to
72
c
m
2
A
10
c
m
B
6
2
c
m
C
18
c
m
D
9
c
m
Question 7:
Area of a rectangle is
96
c
m
2
. Find the perimeter of a rectangle if its sides are in ratio
2
:
3
A
24
c
m
B
40
c
m
C
48
c
m
D
32
c
m
Question 8:
How many times is increased the perimeter of a rectangle, where its side length is increased by
2
?
A
8
times
B
4
times
C
6
times
D
2
times
Question 9:
How many times is increased the area of a rectangle, where its side length is increased by 2?
A
6
times
B
4
times
C
2
times
D
8
times
Question 10:
Perimeter of a rectangle is
72
c
m
. If one side of the rectangle is increased by
20
%
and the second side is decreased by
4
c
m
, its perimeter does not change. What are the lengths of its sides?
A
14
c
m
,
22
c
m
B
12
c
m
,
24
c
m
C
8
c
m
,
28
c
m
D
16
c
m
,
20
c
m
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