Advertisements
Advertisements
प्रश्न
In the following, find the marked unknown angle:
Advertisements
उत्तर
Since, sum of all angles of triangle = 180°
Hence, 70° + 72° + z = 180°
⇒ 142°+ z = 180° ”
⇒ z = 180° - 142°
z = 38°
APPEARS IN
संबंधित प्रश्न
The bisectors of base angles of a triangle cannot enclose a right angle in any case.
Is the following statement true and false :
A triangle can have two obtuse angles.
Is the following statement true and false :
An exterior angle of a triangle is less than either of its interior opposite angles.
In the given figure, AB divides ∠DAC in the ratio 1 : 3 and AB = DB. Determine the value of x.
In the given figure, AE bisects ∠CAD and ∠B= ∠C. Prove that AE || BC.
State, if the triangle is possible with the following angles :
60°, 60°, and 50°
State, if the triangle is possible with the following angles :
125°, 40°, and 15°
In the following figure, points lying in the interior of the triangle PQR are ______, that in the exterior are ______ and that on the triangle itself are ______.
Draw a rough sketch of a triangle ABC. Mark a point P in its interior and a point Q in its exterior. Is point A in its exterior or in its interior?
Identify three triangles in the figure.
