Advertisements
Advertisements
प्रश्न
Find x, if the angles of a triangle is:
2x°, 4x°, 6x°
Advertisements
उत्तर
Since, sum of all the angles of a triangle =180
2x° + 4x° + 6x° =180
12x° = 180
x° = `180/12`
x° = 15
APPEARS IN
संबंधित प्रश्न
ABC is a triangle in which ∠A — 72°, the internal bisectors of angles B and C meet in O.
Find the magnitude of ∠BOC.
AB is a line segment. P and Q are points on opposite sides of AB such that each of them is equidistant from the points A and B (See Fig. 10.26). Show that the line PQ is perpendicular bisector of AB.
Compute the value of x in the following figure:

In Δ ABC, BD⊥ AC and CE ⊥ AB. If BD and CE intersect at O, prove that ∠BOC = 180° − A.
In the given figure, if AB || CD, EF || BC, ∠BAC = 65° and ∠DHF = 35°, find ∠AGH.

Find the unknown marked angles in the given figure:

Can a triangle together have the following angles?
33°, 74° and 73°
If an angle of a triangle is equal to the sum of the other two angles, find the type of the triangle
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.
