Samacheer Kalvi 8th Maths Guide Chapter 2 Measurements Ex 2.1
Samacheer Kalvi 8th Maths Guide Chapter 2 Measurements Ex 2.1
Tamilnadu Samacheer Kalvi 8th Maths Solutions Chapter 2 Measurements Ex 2.1
Question 1.
Fill in the blanks:
(i) The ratio between the circumference and diameter of any circle is _______ .
Answer:
π
(ii) A line segment which joins any two points on a circle is a _______ .
Answer:
Chord
(iii) The longest chord of a circle is _______ .
Answer:
Diameter
(iv) The radius of a circle of diameter 24 cm is _______ .
Answer:
12 cm
(v) A part of circumference of a circle is called as _______ .
Answer:
an arc
Question 2.
Match the following
Answer:
(i) – c
(ii) – d
(iii) – e
(iv) – b
(v) – a
Question 3.
Find the central angle of the shaded sectors (each circle is divided into equal sectors).
Answer:
Question 4.
For the sectors with given measures, find the length of the arc, area and perimeter.
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