Advertisements
Advertisements
प्रश्न
In the following, find the marked unknown angle:
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
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.
Fill in the blank to make the following statement true:
An exterior angle of a triangle is equal to the two ....... opposite angles.
In a triangle, an exterior angle at a vertex is 95° and its one of the interior opposite angle is 55°, then the measure of the other interior angle is
In ΔPQR, If ∠R > ∠Q then ______.
State, if the triangle is possible with the following angles :
125°, 40°, and 15°
Find x, if the angles of a triangle is:
x°, x°, x°
Classify the following triangle according to sides:
Classify the following triangle according to angle:
S is any point on side QR of a ∆PQR. Show that: PQ + QR + RP > 2PS.
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?
