The area of a triangle is with base 4m and height 5m?

Related Mcqs:

1. The perimeter of a triangle is 28 cm and the inradius of the triangle is 2.5 cm. What is the area of the triangle?

   A. 25 cm2
   B. 42 cm2
   C. 49 cm2
   D. None of these

2. Area of a square with side x is equal to the area of a triangle with base x. The altitude of the triangle is:________?

   A. x/2
   B. x
   C. 2x
   D. 4x

3. The average height of 35 boys in a class was calculated as 180cm. It has later found that the height of one of the boys in the class was wrongly written as 166 cm whereas his actual height was 106 cm. Find the actual average height of the boys in the class (Round off your answer to two decimal places)?

   A. 179.29 cm
   B. 178.29 cm
   C. 179.38 cm
   D. 178.39 cm

4. The average height of 50 pupils in a class is 150 cm. Five of them whose height is 146 cm, leave the class and five others whose average height is 156 cm, join. The new average height of the pupils of the class (in cm) is __________ .

   A. 149
   B. 151
   C. 152
   D. 153

5. If the height of a triangle is decreased by 40% and its base is increased by 40% what will be the effect on its area?

   A. No change
   B. 8%decrease
   C. 16% Decrease
   D. 16%increases

6. The base of a right triangle is 8 and hypotenuse is 10. Its area is________?

   A. 12
   B. 80
   C. 59
   D. 24

7. The areas of two similar triangles are 12 cm2 and 48SQ. cm .If the height of the smaller one is 2.1cm than the corresponding height of the bigger one is_________?

   A. 0.525cm
   B. 4.2cm
   C. 80%
   D. 60%

8. The area of a parallelogram is 128sq m and its altitude is twice the corresponding base. Then the length of the base is_________?

   A. 8 m
   B. 10 m
   C. 6 m
   D. 12 m

9. A solid consists of a circular cylinder with an exact fitting right circular cone placed on the top. The height of the cone is h. If the total volume of the solid is three times the volume of the cone then the height of the cylinder is________?

   A. 2h
   B. 4h
   C. 2h/3
   D. 3h/2

10. If the length, breadth and the height of a cuboid are in the ratio 6: 5: 4 and if the total surface area is 33300 cm², then length breadth and height in cms, are respectively?

    A. 90, 85, 60
    B. 85, 75, 60
    C. 90, 75, 70
    D. 90, 75,60