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If each interior angle of a regular polygon is 144°. Then no. of sides will be?

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Important Questions on Prism & Pyramid

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UPSC CDS
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SSC Advanced Maths Volume - I>Chapter 5 - Prism & Pyramid>Model Questions>Q 10
For a right prism the base is an equilateral Δ of area 173 cm2 and the volume of the prism is 10380 cm3. Then what will be the lateral surface area of that prism? (3=1.73)
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SSC Advanced Maths Volume - I>Chapter 5 - Prism & Pyramid>Model Questions>Q 11
A pyramid is of hexagonal base of side 2a cm. If each lateral side of that pyramid is 5a2 cm long then the volume of that pyramid is:
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SSC Advanced Maths Volume - I>Chapter 5 - Prism & Pyramid>Model Questions>Q 12
If the perimetres of a hexagon & an equilateral Δ are equal. Then what will be the ratio of their areas?
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SSC Advanced Maths Volume - I>Chapter 5 - Prism & Pyramid>Model Questions>Q 13
The ratio of number of sides of two regular polygon is 5: 4 and the difference between each interior angle is 9°. Then find the no. of sides?
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SSC Advanced Maths Volume - I>Chapter 5 - Prism & Pyramid>Model Questions>Q 14
If each side of a tetrahedron is 12 cm long then the volume of tetrahedron will be-
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SSC Advanced Maths Volume - I>Chapter 5 - Prism & Pyramid>Model Questions>Q 15
If the radii of a bucket are 28 cm&7 cm and it's height is 45 cm then the capacity of bucket in cm3 is -π=227
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SSC Advanced Maths Volume - I>Chapter 5 - Prism & Pyramid>Model Questions>Q 16
A hexagon is formed after cutting the vertices of an equilateral Δ of side 6 cm. Find out the area of this hexagon (in cm2 )?
HARD
UPSC CDS
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SSC Advanced Maths Volume - I>Chapter 5 - Prism & Pyramid>Model Questions>Q 17
Ratios between the no. of sides and each interior angles for two regular polygons are 5: 6 and 24: 25 respectively. Then what are the no. of sides of those polygons?