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A triangular prism has 

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Important Questions on Shapes and Designs

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Mathematics>Geometry>Shapes and Designs>Shapes

How many triangles are there in the given figure?


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Mathematics>Geometry>Shapes and Designs>Shapes
Find the angles of a triangle which are in the ratio 4:3:2.
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Mathematics>Geometry>Shapes and Designs>Shapes
Can a triangle have two right angles?
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Mathematics>Geometry>Shapes and Designs>Shapes
A triangle is a closed figure bound by three lines.
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Mathematics>Geometry>Shapes and Designs>Shapes
Can an isosceles triangle be a right triangle?
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Mathematics>Geometry>Shapes and Designs>Shapes
Each of the two equal angles of an isosceles triangle is twice the third angle. Find the angles of the triangle.
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Mathematics>Geometry>Shapes and Designs>Shapes
Name all points that lie, in the interior of ∆RST.

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Mathematics>Geometry>Shapes and Designs>Shapes
In a ∆ABC, if ∠A = 72° and ∠B = 63°, find ∠C.
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Mathematics>Geometry>Shapes and Designs>Shapes
The acute angles of a right triangle are in the ratio 2:1. Find each of these angles.
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Mathematics>Geometry>Shapes and Designs>Shapes
What is the measure of each angle of an equilateral triangle?
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Mathematics>Geometry>Shapes and Designs>Shapes

Identify the number of triangles in the figures. Name the type of triangles.

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Mathematics>Geometry>Shapes and Designs>Shapes
Explain the following term:
Interior of a triangle
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Mathematics>Geometry>Shapes and Designs>Shapes
In a ∆ABC, if 2∠A=3∠B=6∠C, calculate ∠A,∠B and ∠C.
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Mathematics>Geometry>Shapes and Designs>Shapes
How many points are there in the interior of the given triangle?
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Mathematics>Geometry>Shapes and Designs>Shapes
In the given figure, DE || BC. If ∠A = 65° and ∠B° = 55, find ∠ADE.

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Mathematics>Geometry>Shapes and Designs>Shapes
One of the acute angles of a right triangle is 36°. find the other.
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Mathematics>Geometry>Shapes and Designs>Shapes
Draw a ∆ABC. Take a point D on BC. Join AD. How many triangles do you get? Name them.  
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Mathematics>Geometry>Shapes and Designs>Shapes
In a ∆XYZ, if ∠X = 90° and ∠Z = 48°, find ∠Y.
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Mathematics>Geometry>Shapes and Designs>Shapes
If one angle of a triangle is equal to the sum of the other two, show that the triangle is right-angled.
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Mathematics>Geometry>Shapes and Designs>Shapes
Explain the following term:
Exterior of a triangle.