Page 203 - Start Up Mathematics_4

ASSESSMENT SHEET 4

I. Choose the correct answer.
1. The diameter of a circle whose radius is 6 cm is:

(a) 6 cm (b) 12 cm (c) 15 cm (d) 18 cm
2. The perimeter of a rectangle whose length is 8 cm and breadth is 5 cm is:
(a) 13 cm (b) 40 cm (c) 26 cm (d) 39 cm

3. The radius of a circle is ______________ the diameter.
(a) twice (b) half (c) equal to (d) one-third of
4. The next number in the pattern 15, 20, 30, 45 is _________.

(a) 50 (b) 55 (c) 60 (d) 65
5. If  = 2 cats, then , , = _________ cats.
(a) 5 (b) 6 (c) 4 (d) 3

II. Solve and answer.
1. The radius of a circle whose diameter is 48 cm is ___________.

2. Diameter is the longest chord of a circle. (True/False)
3. A square has ___________ lines of symmetry. 3 cm

4. The perimeter of the given figure 1 cm 2 cm
is _____________. 2 cm 2 cm

4 cm
5. Complete the pattern.
(a) (b)

6. An obtuse angle measures ____________ than 90°.

7. Which of the following are closed shapes?

(a) (b) (c) (d) (e)

8. A ___________ consists of a vertical line and a horizontal line meeting at a point
marked O.
9. A ray has two end points. (True/False)

10. An angle measuring 90° is called a ___________ angle.

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