Question

Name the angle marked on the cover of book.
(b) Acute angle
(©) Obtuse angle
(2) Right angle
Rotate and repeat:
(d) Straight angle
5)​

Answer 1

(b) Acute angle

Angle less than 90°.

(©) Obtuse angle

Angle greater than 90°.

(2) Right angle

Angle = 90°

(d) Straight angle

Angle = 180°

Hope this will help you.

Answer 2

Explanation:

Acute angle= 0'to 90'or less than 90 degrees

obtuse =90 to 180 degrees

right angle =90 degrees

straight angle= 180 degrees