A. 48√3 cm2
B. 128√3 cm2
C. 9.6√3 cm2
D. 64√3 cm2
Area of an equilateral triangle = √3/4 S2
If S = 16, Area of triangle = √3/4 * 16 * 16 = 64√3 cm2;
Related Mcqs:
- 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 - The altitude of an equilateral triangle of side 2√3 cm is_________?
A. 3/2 cm
B. 1/2 cm
C. 3/4 cm
D. 3 cm - The length of each side of an equilateral triangle having an area of 4√3 cm2 is_______?
A. 4/3 cm
B. 3/4 cm
C. 3 cm
D. 4 cm - 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 - A rectangular farm has to be fenced one long side, one short side and the diagonal. If the cost of fencing is Rs.10 per meter. The area of farm is 1200 m2 and the short side is 30 m long. How much would the job cost?
A. Rs.700
B. Rs.1200
C. Rs.1400
D. Rs.1500 - The sides of a triangle are in the ratio ½: 1/3: ¼. If the perimeter is 52cm then the length of the smallest side is________?
A. 9cm
B. 10cm
C. 11cm
D. 12cm - The perimeter of a triangle is 81 cm. If the sides are in the ratio 4:3:2, find the length of the largest side.
A. 45 cm
B. 40 cm
C. 36 cm
D. 27 cm - The area of a square is 4096 sq cm. Find the ratio of the breadth and the length of a rectangle whose length is twice the side of the square and breadth is 24 cm less than the side of the square.
A. 18 : 5
B. 7 : 16
C. 5 : 14
D. None of these - A cube of side one meter length is cut into small cubes of side 10 cm each. How many such small cubes can be obtained?
A. 10
B. 100
C. 1000
D. 10000 - A rectangular carpet has an area of 60 sq.m its diagonal and longer side together equal 5 times the shorter side. The length of the carpet is:_________?
A. 5m
B. 12m
C. 13m
D. 14.5m
