Advertisements
Advertisements
प्रश्न
Find the unknown marked angles in the given figure:
Advertisements
उत्तर
In the figure,
∠A + ∠B + ∠C = 180° .....(Sum of angles of a triangle)
b° + 50° + b° = 180°
⇒ 2b° + 50° = 180°
⇒ 2b° = 180° − 50° = 130°
⇒ b° = `(130°)/2=65°`
Hence ∠A = b° = 65°
and ∠C = b° = 65°
APPEARS IN
संबंधित प्रश्न
If the bisectors of the base angles of a triangle enclose an angle of 135°, prove that the triangle is a right triangle.
Is the following statement true and false :
All the angles of a triangle can be equal to 60°.
One angle of a triangle is 60°. The other two angles are in the ratio of 5: 7. Find the two angles.
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 3.7 cm, 3.4 cm, 4 cm.
The exterior angle of a triangle is equal to the sum of two
The correct statement out of the following is 
The angles of the triangle are 3x – 40, x + 20 and 2x – 10 then the value of x is
Q is a point on the side SR of a ∆PSR such that PQ = PR. Prove that PS > PQ.
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
