3rawr

A close polygon has 14 diagonals. The number of sides of the polygon is

• 6

• 5

• 7

• 8

How many sides does a polygon has if the sum of the interior angles is 2520°.

• 14

• 16

• 12

• 10

The area of rhombus is 132 sq. m. If its

shorter diagonal is 12 m, find the longer

diagonal.

• 20 m

• 22 m

• 36 m

• 28 m

The cyclic quadrilateral ABCD has sides AB = 8, BC = 18.33, CD = 16 and DA = 12. Find the area of the quadrilateral.

• 196.32

• 169.32

• 176.32

• 167.32

The perimeter of an isosceles triangle is equal to 21 cm; the ratio of lateral side to the base is 5:4. Determine the area of

the triangle.

• 55

• 176

• 23.67

• 20.62

Three sides of an isosceles trapezoid (whose perimeter is 120) are equal. If the longest side is 20 m longer. Find its area.

• 100.86 sq. units

• 954.56 sq. units

• 648.67 sq. units

• 801.95 sq. units

Find the cross-sectional area of a hexagonal nut with side 25 mm & circular hole 25 mm diameter.

• 4309

• 1133

• 1313

• 2098

Find the radius of a circle inscribed in an equilateral triangle whose perimeter is 10.8m.

• 1.04

• 4.02

• 34.7

• 45.4

What is the radius of the circle circumscribing an isosceles right triangle having an area of 162 sq. cm?

• 12.73 cm

• 21.45 cm

• 16.34 cm

• 15.32 cm

A strip of 640𝑚2 is sold from a triangular field whose sides are 96, 72, and 80 m. The strip is of uniform with "h" and has one of its sides parallel to the longest side of the field. Find the width of the

strip.

• 7.095 m

• 8.095 m

• 8.67 m

• 9.67 m