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प्रश्न
Find, giving a reason, the unknown marked angles, in a triangle drawn below:
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उत्तर
We know that,
Exterior angle of a triangle is always equal to the sum of its two interior opposite angles (property)
∴ 110° = x + 30° (by property)
⇒ x = 110°- 30°
x = 80°
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संबंधित प्रश्न
The bisectors of base angles of a triangle cannot enclose a right angle in any case.
Can a triangle have two obtuse angles? Justify your answer in case.
In the given figure, AB || DE. Find ∠ACD.
Is the following statement true and false :
Sum of the three angles of a triangle is 180 .
Is the following statement true and false :
A triangle can have two right angles.
Is the following statement true and false :
All the angles of a triangle can be greater than 60°.
Define a triangle.
In the given figure, if AB || CD, EF || BC, ∠BAC = 65° and ∠DHF = 35°, find ∠AGH.
Can a triangle together have the following angles?
55°, 55° and 80°
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
