ITI Year2(Mensuration)

Which formula is suitable for the area of a circle, whose diameter is (d)?

• πd² / 4

• πr

• 2πr

• πd

What is the circumference of a semicircle?

• πr + 2r

• πd / 4

• 2πr²

• πd² / 4

What is the area of irregular shape by simpsonʹs is rule?

• h/3 [y₁+y₇+4 (y₂+y₄+y₆)+2(y₃+y₅)]

• h/2 [y1 + y7]

• h/3 [y₂+y₄+y₆]

• h/2 [y₁ = y₇+(y+y₅)]

. What is the formula for circumference of a circle?

• πr²

• πd² / 4

• 2πr

• πr

What is the formula for area of the semi circle?

• πr²

• πr

• 2πr

• πr² / 2

What is the area of the irregular surface?

• 1400 mm²

• 1450 mm²

• 1500 mm²

• 1200 mm²

What is the area of the shaded portion, Equilateral Triangle side is 6cm and circle radius is 1.5cm?

• 8.52 cm²

• 12.75 cm²

• 9.5 cm²

• 12.25 cm²

What is the area of the irregular surfaces?

• 4800 mm²

• 4820 mm²

• 4830 mm²

• 4843 mm²

What is the length of arc of a sector, whose perimeter is 64.8cm and radius is 12.4 cm?

• 40 cm

• 45 cm

• 40.8 cm

• 42 cm

What is the area of the sector, if the diameter is 12 cm and the angle is 60°?

• 18.0 cm²

• 17.75 cm²

• 19.00 cm²

• 18.84 cm²