Geometry: Mensuration, Trigonometry

The distance from the centre of a circle to the circumference is -

The diagonals of a rhombus are 16 cm and 12 cm, in length. The side of the rhombus in length is:

The area of a rectangular R with width 4 feet is equal to the area of square S which has a perimeter of 24 feet. The perimeter of the rectangular R, in feet, is:

What is the perimeter (পরিসীমা) of a square, if its area is 400 sq. m.

In the figure above, if the perimeter of Δvzy is 17, what is the area of square region vwxy?

The perimeter of a circle measures 16πcm, what is the area of the circle in sq.cm?

If the length of a side of a regular pentagon is 4 cm, the area of the pentagon is approximately-

The perimeter of a rectangle is 104 inches. The width is 6 inches less than 3 times the length. Find the width of the rectangle.

A circular logo is enlarged to fit the lid of a jar. The new diameter is 50 percent larger than the original. By what percentage has the area of the logo increased?

In an acute angled triangle ABC, if sin 2(A + B - C) = 1 and tan (B + C - A) = √3,then the value of angle ∠B is-

After being dropped a certain ball always bounces back to 2/5 of the height of its previous bounce. After the first bounce it reaches a height of 125 inches. How high (In inches) will it reach after its fourth bounce?

∠A and ∠B are supplementary angles. If ∠A = 115° then ∠B =?

What would be the measure of the perimeter of a square whose area is equal to 256 sq cm?

A circular garden with diameter of 20 meters is surrounded by a walkway of width 1 meter. What is the area of the walkway?

৩০ × ১৬ ফুটের একটি মেঝে মেরামত করতে ২৪৯৬ টাকা ব্যয় হল। প্রতি বর্গফুটে ব্যয় কত টাকা?

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:

A rectangular field will be fenced on three side leaving one side of 20 feet uncovered. If the area of the field 680 square feet. How many feet of fencing is required?

An angle which is less than 360° and larger than 180° is classified as:

The angle measure of base angles of an isosceles triangle are represented by x and the vertex angle is 3x+10. Find the measure of base angle.

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