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1
Find the perimeter of an equilateral triangle with one side of 15 m.
30m
45m
15m
60m
2
If the perimeter of the triangle is 72 ft and the two sides of the triangle are 7ft, 16 ft, then what will be the measure of its third side?
50 ft
39 ft
49 ft
48 ft
3
If the perimeter of the triangle is and two sides of the triangle are , then find the measure of the third side.
4
Find the perimeter of an equilateral triangle with one side of 2.5 m.
3.5m
4.5m
2 . 5 m
7.5m
5
If square of one side of triangle is equal to the sum of the square of other two sides then triangle is ______________________.
Acute a triangle
Obtuse triangle
Right triangle
None of these
6
Find the perimeter of an equilateral triangle with one side of 150 m.
340m
405m
450m
600m
7
If is such that and and AB = 5 cm, BC = 4 cm, BD = 2 cm. Then Find AC.
8
If is such that and and AB = 13 cm, BC = 7 cm, BD = 5 cm. Then Find AC.
9
Two triangles ABC and DEF are similar to each other in which AB = 10 cm and DE = 8 cm. Find the ratio of the areas of .
25:16
16:25
5:4
4:5
10
In the following figure, . The area of is and that of is , EF = 4.2 cm. Find BC.
3.25 cm
3.17 cm
3.15 cm
3.12 cm
11
In the following figure, is a right triangle with right anglew at B and BD AC, DM BC and DN AB. Then which of the following is true?
none of these
12
If is such that and and BC = 5 cm, BD = 3 cm, AC = 10 cm. Then Find AB.
13
In the following figure, . If AB = 2DE and area of , find the area of
16
18
14
20
The length of the hypotenuse of a right triangle exceeds the length of the base by 2 cm and exceeds twice the length of the altitude by 1 cm. Find the length of each side of the triangle.
5, 13, 17
7, 11, 17
8, 15, 17
11, 15, 17
15
. Also 2ar () = ar () the length of MD is ___________________