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D3(RAH) MASTER THE DAY

Authored by WINCENTRE CLASSES

Professional Development

Professional Development

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D3(RAH) MASTER THE DAY
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107 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the sum of internal angles of a pentagon?

540°
450°
720°
360°

Answer explanation

Sum of internal angles of a pentagon = (5-2)×180° = 540°.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the perimeter of a square with side 18 cm?

36 cm
90 cm
72 cm
81 cm

Answer explanation

Perimeter of square = 4 × 18 cm = 72 cm.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many sides does a hexagon have?

8
5
7
6

Answer explanation

Hexagon has 6 sides.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the area of a circle with radius 7 cm?

49 cm²
44 cm²
154 cm²
22 cm²

Answer explanation

Area of circle = π × 7² = 154 cm².

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which triangle has one angle equal to 90°?

Right-angled triangle
Equilateral triangle
Obtuse triangle
Acute triangle

Answer explanation

Right-angled triangle has one 90° angle.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which figure has opposite sides parallel and equal but angles are not 90°?

Rectangle
Rhombus
Parallelogram
Trapezium

Answer explanation

Rhombus has opposite sides equal and parallel but angles are not necessarily 90°.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the formula for the area of a sector in radians?

r²θ/2
πrθ/2
rθ²
πr²θ

Answer explanation

Area of sector in radians = (r²θ)/2.

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