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1.In Heron’s formula semi perimeter is equal to ?
(a+b+c)/3
(a+b+c)/2
(a+b+c)/4
(a+b+c)

2) Area of the traingles of sides 6 cm,8cm and 10cm is ?
24 cm^{2} 48 cm^{2} 36 cm^{2} 10 cm^{2}

3. If each side of the triangles is doubled,Area of the triangle will become?
2 times
4 times
1/2 times
insufficient information

4. The area of a parallelogram is 392cm^{2}.If its altitude is twice the corresponding base, The height and the base is ?

28,14
32,16
26,13
None of these

5. Two sides of a triangle are 11cm and 12cm and its perimeter is 33cm.The third side is :?
20
21
22
23

6. The adjacent sides of a parallelogram are 36cm and 27cm in length .If the distance between the shorter sides is 12cm, find the distance between the longer sides.
9cm
8cm
7cm
Insuffucient data

7. ABCD is a trapezium with parallel side 5 and 13 cm each and distance between them is 12 cm. The area of the trapezium is ?
96 cm^{2
108 cm2
136 cm2
None of these
8. In a rhombus, the diagonal are 9 and 16 cm long,What is the area?
108 cm2
144 cm2
36cm2
72 cm2
9. The sides of a triangle are in the ratio 3:4:5, The perimeter is 120 cm,The area of the triangle is ?
1200 cm2
600cm2
300 cm2
none of these
10.Two statement
Statement A:Heron formula for area of triangle is valid for all the triangles
Statement B: Two congruent triangles have same area
A is correct only
B is correct only
A and B both are correct
A and B both are incorrect
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