Advertisements
Advertisements
प्रश्न
Can a triangle have All angles more than 60°? Justify your answer in case.
Advertisements
उत्तर
No,
Having angles-more than `60^@` make that sum more than `180^@`. Which is not possible.
[∵ The sum of all the internal angles of a triangle is `180^@`]
APPEARS IN
संबंधित प्रश्न
In a ΔABC, if ∠A = 55°, ∠B = 40°, find ∠C.
The angles of a triangle are (x − 40)°, (x − 20)° and `(1/2x-10)^@.` find the value of x
If the bisector of the exterior vertical angle of a triangle be parallel to the base. Show that the triangle is isosce
Determine the measure of each of the equal angles of a right-angled isosceles triangle.
OR
ABC is a right-angled triangle in which ∠A = 90° and AB = AC. Find ∠B and ∠C.
Is the following statement true and false :
A triangle can have at most one obtuse angles.
Is the following statement true and false :
An exterior angle of a triangle is equal to the sum of the two interior opposite angles.
State, if the triangle is possible with the following angles :
40°, 130°, and 20°
One of the base angles of an isosceles triangle is 52°. Find its angle of the vertex.
In the following, find the marked unknown angle:

O is a point in the interior of a square ABCD such that OAB is an equilateral triangle. Show that ∆OCD is an isosceles triangle.
