Advertisements
Advertisements
प्रश्न
Can a triangle together have the following angles?
85°, 95° and 22°
Advertisements
उत्तर
Sum of all angles of a triangle = 180°
Here, 85° + 95° + 22° = 180°
∴ 202° ≠ 180° No.
APPEARS IN
संबंधित प्रश्न
If the angles of a triangle are in the ratio 1: 2 : 3, determine three angles.
ABC is a triangle in which ∠A — 72°, the internal bisectors of angles B and C meet in O.
Find the magnitude of ∠BOC.
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.
In ΔABC, if bisectors of ∠ABC and ∠ACB intersect at O at angle of 120°, then find the measure of ∠A.
An exterior angle of a triangle is equal to 100° and two interior opposite angles are equal. Each of these angles is equal to
Calculate the angles of a triangle if they are in the ratio 4: 5: 6.
The length of the sides of the triangle is given. Say what types of triangles they are 3.4 cm, 3.4 cm, 5 cm.
The image of an object placed at a point A before a plane mirror LM is seen at the point B by an observer at D as shown in the following figure. Prove that the image is as far behind the mirror as the object is in front of the mirror.
[Hint: CN is normal to the mirror. Also, angle of incidence = angle of reflection].

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.
In the following figure, AB = BC and AD = BD = DC. The number of isosceles triangles in the figure is ______.

