Advertisements
Advertisements
प्रश्न
Find the value of the angle in the given figure:
Advertisements
उत्तर
In the figure,
∠A + ∠B + ∠C = 180° .....(Sum of angles of a triangle)
⇒ x° + 2x° + 2x° = 180°
⇒ 5x° = 180°
⇒ x° = `(180°)/5=36°`
∴ ∠A = x° = 36°
∠B = 2x° = 2 × 36° = 72°
and ∠C = 2x° = 2 × 36° = 72°
APPEARS IN
संबंधित प्रश्न
The angles of a triangle are arranged in ascending order of magnitude. If the difference
between two consecutive angles is 10°, find the three angles.
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.
In the given figure, AB || DE. Find ∠ACD.
Define a triangle.
State, if the triangle is possible with the following angles :
60°, 60°, and 50°
Calculate the unknown marked angles of the following figure :
In ∆ABC, ∠A = ∠B = 62° ; find ∠C.
Can we have two acute angles whose sum is a reflex angle? Why or why not?
Jincy used these shapes to make drawings of fish.
Now you also use some shapes to draw the different sea animals shown below.
Sea urchin
Lobster
Eel
Red snapper
Octopus
Clam
Parrotfish
Prawn
Cuttlefish
Jellyfish
Squid
Silver pomfret
Crab
How many angles are there inside a triangle?
