Advertisements
Advertisements
Question
Classify the following triangle according to angle:

Advertisements
Solution
Since, it has an obtuse angle of 120° Hence, it is obtuse-angled triangle.
APPEARS IN
RELATED QUESTIONS
In the given figure, AC ⊥ CE and ∠A : ∠B : ∠C = 3 : 2 : 1, find the value of ∠ECD.

In the given figure, AB || DE. Find ∠ACD.

Is the following statement true and false :
A triangle can have two right angles.
In a Δ ABC, the internal bisectors of ∠B and ∠C meet at P and the external bisectors of ∠B and ∠C meet at Q, Prove that ∠BPC + ∠BQC = 180°.
Calculate the unknown marked angles of the following figure :

Can a triangle together have the following angles?
33°, 74° and 73°
P is a point on the bisector of ∠ABC. If the line through P, parallel to BA meet BC at Q, prove that BPQ is an isosceles triangle.
AB and CD are the smallest and largest sides of a quadrilateral ABCD. Out of ∠B and ∠D decide which is greater.
The number of triangles in the following figure is ______.

In the following figure, ∠BAC = 90° and AD ⊥ BC. The number of right triangles in the figure is ______.

