Advertisements
Advertisements
Question
In the given figure.
∠COA is a/an ______ angle
Solution
In the given figure.
∠COA is a/an acute angle
Explanation:
Since, ∠COA = ∠COB + ∠BOA
= 20° + 30°
= 50°
Because ∠COA = 50° < 90°
So, ∠COA is an acute angle.
APPEARS IN
RELATED QUESTIONS
Given here are some figures:
 |
 |
 |
 |
 |
 |
 |
 |
Classify each of them on the basis of the following:
- Simple curve
- Simple closed curve
- Polygon
- Convex polygon
- Concave polygon
In a quadrilateral, define of the following Exterior .
ABCD is a trapezium in which AB || DC. M and N are the mid-points of AD and the respectively. If AB = 12 cm, MN = 14 cm, then CD =
Two angles of a quadrilateral are 68° and 76°. If the other two angles are in the ratio 5 : 7; find the measure of each of them.
In the given figure : ∠b = 2a + 15 and ∠c = 3a + 5; find the values of b and c.
In the figure, PQRS and PTVS are two cyclic quadrilaterals, If ∠QRS = 100°, then ∠TVS =
The diagonals of the quadrilateral DEFG are ______ and ______.
A quadrilateral can have all four angles as obtuse.
Using the information given, name the right angles in part of figure:
AC ⊥ BD
An angle is said to be trisected, if it is divided into three equal parts. If in the given figure, ∠BAC = ∠CAD = ∠DAE, how many trisectors are there for ∠BAE?
