Area Questions

• An error of 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is
• Find the area of the rectangle or square with the given dimensions L = 5 inches, W= 3 inches?
• A slice from a circular pizza of diameter 14 inches is cut in asuch a way that each slice of pizza has a central angle of 45°. What is the area of each slice of Pizza(in square inches)?
• The length of the radius of the circumference of a triangle having sides 9 cm, 12 cm and 15 cm is
• From a square plate with each side 7 cm, squares of area 0.25 sq. cm are cut out at each corner and the remaining plate is folded along the cuts to form a cuboid. The volume of this open-top cuboid will be ......... . cub.cm
• A quadrilateral is inscribed in a circle. If the opposite angles of the quadrilateral are equal and length of its adjacent sides are 6 cm and 8 cm, what is the area of the circle?
• Points P and Q lie on side AB and AC of triangle ABC respectively such that segment PQ is parallel to side BC. If the ratio of AP:PB is 2:3, and area of Δ APQ is 8 sq cm, what is the area of trapezium PQCB?
• A solid copper sphere of radius 9 cm is melted and reformed into a wire of radius 1 mm. What will be the length of this wire? (Take π = 22/7)
• The cost of leveling a triangular piece of land whose sides are 72 m. 30 m and 78 in respectively at the rate of 20 paisa per square metre is:
• The angles of a triangle are in the ratio 1 : 1 : 4. If the perimeter of the triangle is k times its largest side, then what is the value of k?
• What is the area (in sq cm) of an equilateral triangle of side 6 cm?
• In a triangle the length of the side opposite the right angle is 9√3 cm, what is the length of the side opposite to the angle which measures 30 degree?
• The area of an equilateral triangle is 9√3 sq cm, find height of the triangle?
• What is the area (in sq cm) of a circle whose circumference is 26.4 cm?
• What is the area (in sq cm) of a circle whose circumference is 22 cm?
• The area of a triangle with vertices A (0, 8) , O (0,0) and B (5, 0) is:
• Three medians AD, BE and CF of ΔABC intersect at G; Area of ΔABC is 36 sq cm. Then the area of ΔCGE is
• Two circles touch each other at point X. A common tangent touch them at two distinct points Y and Z. If another tangent passing through X cut YZ at A and XA= 16 cm, then what is the value (in cm) of YZ?
• The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ 26.50 per metre is Rs. 5300, what is the length of the plot in metres?
• A sector of 120, cut out from a circle, has an area of 667cm2 . Find the radius of the circle ?