Advertisements
Advertisements
Question
Can we have two acute angles whose sum is a straight angle? Why or why not?
Solution
No, the sum of two acute angles is always less than a straight angle, i.e. 180°.
APPEARS IN
RELATED QUESTIONS
Is the following statement true and false :
All the angles of a triangle can be less than 60°
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°.
The sum of two angles of a triangle is equal to its third angle. Determine the measure of the third angle.
In a triangle ABC, ∠A = 45° and ∠B = 75°, find ∠C.
In ∆ABC, ∠A = ∠B = 62° ; find ∠C.
As shown in the figure, Avinash is standing near his house. He can choose from two roads to go to school. Which way is shorter? Explain why.
The length of the sides of the triangle is given. Say what types of triangles they are 3.7 cm, 3.4 cm, 4 cm.
The length of the three segments is given for constructing a triangle. Say whether a triangle with these sides can be drawn. Give the reason for your answer.
9 cm, 6 cm, 16 cm
The length of the three segments is given for constructing a triangle. Say whether a triangle with these sides can be drawn. Give the reason for your answer.
12 cm, 12 cm, 16 cm
The number of triangles in figure is ______.
