Jharne De and Ranjana Kumar Solutions for Chapter: Understanding Elementary Shapes, Exercise 1: Exercise

Draw and classify the following angle as acute, obtuse, reflex or complete

$179°$

Draw and classify the following angle as acute, obtuse, reflex or complete

$27°$

Specify in the following figures whether the angles are acute, obtuse, right, straight or reflex angles.

(i) $\angle \mathrm{ADE}=-----$

(ii) $\angle ABC=-----$

(iii) $\angle DEC=-----$

(iv) $\angle AEC=-----$

Specify in the following figures whether the angles are acute, obtuse, right, straight or reflex angles.

(i) $\angle ABC=-----$

(ii) $\angle ADC=-----$

(iii) $\angle ACD=-----$

Specify from the figure whether the angles are acute, obtuse, right, straight or reflex.

(i) $\angle DAB=-----$

(ii) $\angle ABC=-----$

Specify from the figure whether the angles are acute, obtuse, right, straight or reflex.

(i) $\angle PQR=-----$

(ii) $\angle PRQ=-----$

Draw an angle of $150°$ with the help of a protractor. Name the angle and write its arms and vertex also

Compare the following line segments using the tracing method.