Exercise 1.3 - Chapter 1 Geometry Term 1 5th Maths Guide Samacheer Kalvi Solutions - SaraNextGen [2024-2025]

Updated On May 15, 2024

By SaraNextGen

Ex $1.3$
Question 1.
The angles below $90^{\circ}$ and above $0^{\circ}$ are called as
Answer.
acute angle
 

Question $2 .$
The angles below $180^{\circ}$ and above $90^{\circ}$ are called as
Answer:
obtuse angle.
 

Question $3 .$
By joining two right angles angle is formed
Answer:
straight angle
 

Question $4 .$
The obtuse angle in $\triangle \mathrm{ABC}$ is

a. $\angle \mathrm{A}$
b. $\angle B$
c. $\angle \mathrm{C}$
Answer:
c) $\angle \mathrm{C}$
 

Question $5 .$
Hand of a clock at $3.20$ shows angle.
Answer:
acute

Question $6 .$
In the following letters, which one forms the right angle in it?
a. $L$
b. $K$
c. $Z$
d. $N$
Answer:
a. $L$

Question $7 .$
Circle the right angle.

 

Question $8 .$
The angle shown in this picture is

a. more than $120^{\circ}$
b. Less than $45^{\circ}$
c. more than $180^{\circ}$
d. $90^{\circ}$
Answer:
d. $90^{\circ}$

Question $9 .$
The angle formed by the nail cutter is
Answer:
acute

Question $10 .$
Name the angles formed when the vessels are lifted by tongs in the kitchen.
Answer:
obtuse angle