A triangular park ABC has sides 120 m, 80 m and 50 m. A gardener, Dhania has to put a fence all around it and also plant grass inside. The area required and the cost of fencing it with barbed wire at the rate of Rs. 20 per metre leaving a space 3 m wide for a gate on one side will be
69-e1422952592711.png
  • A
  • B
  • C
  • D
The area of triangle, whose sides are 15 cm, 25 cm and 14 cm:
73-e1422952663533.png
  • A
  • B
  • C
  • D
The area of an equilateral triangle of side 6 cm is
  • 18 cm2
  • 9√3 cm2
  • 56√3 cm2
  • 58√3 cm2
The perimeter of a rhombus is 146 cm. One of its diagonals is 55 cm. The length of the other diagonal and area of the rhombus are
  • 48 cm,2320 cm2
  • 48 cm,1820 cm2
  • 88 cm, 1320 cm2
  • 48 cm, 1320 cm2
A square sheet whose perimeter is 32 cm is painted at the rate of Rs. 5 per cmThe cost of painting is:
  • Rs.500
  • Rs.320
  • Rs.640
  • Rs.550
If each side of an equilateral triangle is increased by 2 cm, then its area increases by cmThe length of its each side and its area are respectively equal to
1177_image216.gif
85-e1422952728327.png
  • A
  • B
  • C
  • D
The area of quadrilateral PQRS, in which PQ = 7 cm, QR = 6 cm, RS = 12 cm, PS = 15 cm and PR = 9 cm:
  • 74.98 cm2
  • 25.25 cm2
  • 75 cm2
  • 68.25 cm2
The base of an isosceles triangle is 10 cm and one of its equal sides is 13 cm. The area of the triangle is
  • 80 cm2
  • 100 cm2
  • 50 cm2
  • 60 cm2
The lengths of a triangle are 6 cm, 8 cm and 10 cm. Then the length of perpendicular from the opposite vertex to the side whose length is 8cm is:
  • 5 cm
  • 4 cm
  • 6 cm
  • 2 cm
The perimeter of an isosceles right angled triangle having an area of 200 cm2 is
  • 68.2 cm.
  • 69.2 cm
  • 88.2 cm
  • 68.5 cm
A carpenter had to make a triangle with sides 5, 6, 5 units. By mistake he made one with sides 5, 8, 5 units. The difference between their areas is:
  • 16 sq units
  • 2 sq units
  • 4 sq units
  • 0 sq units
The area of a right triangle of height 15 m and base 20 m is
  • 160 m2
  • 150 m2
  • 210 m2
  • 216 m2
The perimeter of a right triangle is 144 cm and its hypotenuse measures 65 cm. The other sides and its area are
96-e1422952759101.png
  • A
  • B
  • C
  • D
The area of an equilateral triangle of side 14 cm is
992-e1422952789471.png
  • A
  • B
  • C
  • D
The sides of a triangle are in the ratio 25 : 17 : 12 and its perimeter is 540m. The area of the triangle is
  • 12000 m2
  • 5000 m2
  • 9000 m2
  • 10000 m2
The area of an equilateral triangle with perimeter 18x is:
109-e1422952838234.png
  • A
  • B
  • C
  • D
The sides of a triangular plot are in the ratio of 3 : 5 : 7 and its perimeter is 300 m. Its area is
  • 2598. 08m2
  • 5598. 08m2
  • 8598. 08m2
  • 6598. 08m2
The area of a right triangle with base 5 m and altitude 12 m is
  • 15 m2
  • 9 m2
  • 50 m2
  • 30 m2
There is a slide in a park. One of its side walls has been painted in some colour with a message "Keep the park green and Clean". If sides of the wall are 15m, 11 m and 6 m, the area painted in colour is________.
1167_image142.gif
  • 20 √6 m2
  • 10 √2 m2
  • 20 √2 m2
  • 20 √3 m2
The area of triangle, whose sides are 15 cm, 25 cm and 14 cm is
1115-e1422952855233.png
  • A
  • B
  • C
  • D
0 h : 0 m : 1 s

Answered Not Answered Not Visited Correct : 0 Incorrect : 0