Page 168 - Start Up Mathematics_4

(c) (d)
S D

E
T

or or

5. Draw the following figures using a ruler.

(a) ray TR (b) line segment AC (c) a vertical line (d) a point Q
6. Draw an angle and name its arms and vertex. Also, write what type of an angle it is.

7. Name the angles shown in the following figure. Classify them as acute, obtuse, straight
or right angles.

(a) P (b) A (c) S

T O
O Q E D

K
(d) L (e) X (f)
P Q R

Y Z

M

SCRATCH YOUR BRAIN

Identify the number of various angles in each triangle and also name the type of angles.
A A A
(a) (b) (c)

B C B C B C

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