Question

1. Formulae for Area of the circle a) 2πr b) πr² c) a² d) l x b
2. A part of the circumference of a circle is _____. a) Radius b) Chord c) Circular arc d) Diameter
3. Approximate value of π a) 24/7 b) 22/7 c) 7/22 d) 3.4
4. If circumference of a circle is 44 cm, find diameter? a) 7 cm b) 11 cm c) 14 cm d) 28 cm
5. If radius of the big circle is double of a small circle, then the area of the big circle is _________ of the small circle a) double b) 4 times c) 8 times d) equal
6. Any two points on a circle are joined by a line segment, then the line segment is called a a) Circular arc b) Diameter c) Radius d) Chord
7. Diameter of the circle is ______ times of Radius a) 2 b) 1/2 c) 4 d) 1/4
8. The central angle of Semi circle a) 45° b) 90° c) 180° d) 360°
9. Each part of a circle which is divided by a chord is called a _____________ a) Sector b) Segment c) Circular arc d) Semi circle
10. A circular shaped gymnasium ring of radius 35cm is divided into 5 equal arcs shaded with different colours. Find the length of each of the arcs. a) 44 cm b) 33 cm c) 22 cm d) 88 cm
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Answer 1

Step-by-step explanation:

All living things use a process called respiration to get energy to stay alive. Cellular respiration in plants is the process used by plants to convert the glucose made during photosynthesis into energy which fuels the plants’ cellular activities.

On the other hand,

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Answer 2

Answer:

πr²

circular arc

22/7

11cm