Geometry: Mensuration, Trigonometry

The area of a rhombus is 96 sq.cm and the length of one of the diagonals is 16 cm. The length of the other diagonal is -

Three angles of a triangle are in proportion 5 : 6 : 7. Then what is the difference in degrees between he biggest and the smallest angles?

The diagonal of a rectangle is √41 cm and its area is 20cm². What is the perimeter of the rectangle?

If each side of a rectangle is increased by 50%, its area will increase by -

The length of a rectangular plot is 20 meters more than its breadth. If the cost of fencing the plot at Tk. 26.50 per meter is Tk. 5,300. What is the length of the plot in meters?

একটি বর্গক্ষেত্রের কর্ণের দৈর্ঘ্য ১০ সে.মি.। একদিকের দৈর্ঘ্য কত?

The ratio between the perimeter and the breadth of a rectangle 5 : 1. If the area of the rectangle is 216 sq.cm, what is the length of the rectangle?

If cosθ + sinθ = 1, then θ = ?

If the diagonal of a square measures 16√2 cm, what is the area of the square in sq. cm?

A square is inscribed in a circle of diameter 2a and another square is circumscribing circle. The difference between the areas of outer and inner squares is-

The area of a triangle with sides 3 cm, 5 cm, 6 cm is -

A solid cube of side 6 is first painted pink and then cut into smaller cubes of side 2. How many of the smaller cubes have paint on exactly 2 sides?

The angle of elevation of a ladder leaning against a wall is 60⁰ and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is :

A rectangular room that is 8 meters by 5 meters is to be carpeted using carpet costing $12.50 per square meter. How much will the carpet cost?

The dimensions of a box are 2, 3 and 4 meters. The cost of painting the outer sides of the box at the rate of taka 3 per square meter is-

If the length and width of a rectangular garden plot were each increased by 20 percent, what would be the percent increase in the area of the plot?

A rectangular field is to be fenced on three sides leaving a sides of 20m uncovered. If the area of the field is 680m², how many meters of fencing will be required?

The length of a box is 3 meters, breadth is 2 meters 50 centimeters and height is 2 meters. What is the volume of the box?

The base of a rectangle is three times as long as the height. If the perimeter is 64, what is the area of the rectangle?

When bent in the form of a circle a wire has a radius of 28 cm. If it is bent in the form of a square, what will be its area in cm²?