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The difference between the interior and exterior angles for a regular polygon at a vertex is 150°. Find the number of sides of this regular polygon?

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Important Questions on Prism & Pyramid

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UPSC CDS
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If each face is of 3 cm of a tetrahedron then it's volume is:
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UPSC CDS
IMPORTANT
The base of a solid right prism is triangular with sides 9 cm,12 cm and 15 cm respectively. If the height of the prism is 5 cm then total surface area of the prism will be?
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UPSC CDS
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The areas of three faces of a cuboid are 12 cm2,20cm2&15 cm2 respectively. Find the volume in cm3.
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UPSC CDS
IMPORTANT
The difference between the radii of a bucket is 20 cm. If height of the bucket is 15 cm then find out the lateral height?
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UPSC CDS
IMPORTANT
If each angle of a regular polygon is equal to the 35 times of two right angles then no. of sides are-
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UPSC CDS
IMPORTANT
The base of a right pyramid is a square. If the length of diagonal of the base is 242 m and volume of the pyramid is 1728 m3 then its height will be-
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UPSC CDS
IMPORTANT
For a right prism; the base is an equilateral triangle with side 6 cm. If volume of the prism is 1083 cm3 then it's height is
EASY
UPSC CDS
IMPORTANT
If each interior angle of a regular polygon is 144°. Then no. of sides will be?