Advertisements
Advertisements
प्रश्न
In the following, find the marked unknown angle:
Advertisements
उत्तर
Since, sum of all angles of triangle = 180°
Hence, 60° + 45° + 20° + x = 180°
⇒ 125° + x = 180°
⇒ x = 180° – 125°
⇒ x = 55°
APPEARS IN
संबंधित प्रश्न
The angles of a triangle are (x − 40)°, (x − 20)° and `(1/2x-10)^@.` find the value of x
Two angles of a triangle are equal and the third angle is greater than each of those angles
by 30°. Determine all the angles of the triangle.
Is the following statement true and false :
A triangle can have two right angles.
Is the following statement true and false :
A triangle can have two obtuse angles.
One of the base angles of an isosceles triangle is 52°. Find its angle of the vertex.
In the given figure, express a in terms of b.
In the following, find the marked unknown angle:
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 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.
7 cm, 24 cm, 25 cm
In the following figure, ∠BAC = 90° and AD ⊥ BC. The number of right triangles in the figure is ______.
