If radius of cone is 5 cm and its perpendicular height is 12 cm, then the slant height is ____________ .
- A17 cm
- B4 cm
- ✓13 cm
- D60 cm
Answer: C.
View full solution →Question types
P-2 Mensuration question types
4 questions across 4 question groups — pick any mix to generate a Maths paper with step-by-step answer keys.
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Questions
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Question groups
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Question types
Sample Questions
P-2 Mensuration questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
The radius of a circle with centre 'P' is 10 cm. If chord AB of the circle subtends a right angle at P, find area of minor sector by using the following activity. ($\pi=3.14$)
Activity :
$r=10$ cm, $\theta=90^{\circ}$, $\pi=3.14.$
$A(P-AXB) = \frac{\theta}{360} \times ⬜$
$= \frac{⬜}{360} \times 3.14 \times 10^{2}$
$= \frac{1}{4} \times ⬜$
$A(P-AXB) = ⬜$ sq.cm.
View full solution →Activity :
$r=10$ cm, $\theta=90^{\circ}$, $\pi=3.14.$
$A(P-AXB) = \frac{\theta}{360} \times ⬜$
$= \frac{⬜}{360} \times 3.14 \times 10^{2}$
$= \frac{1}{4} \times ⬜$
$A(P-AXB) = ⬜$ sq.cm.
How many solid cylinders of radius 10 cm and height 6 cm can be made by melting a solid sphere of radius 30 cm?
The radii of the circular ends of a frustum of a cone are 14 cm and 8 cm. If the height of the frustum is 8 cm, find : ($\pi=3.14$)
(i) Curved surface area of frustum.
(ii) Total surface area of frustum.
(iii) Volume of the frustum.
View full solution →(i) Curved surface area of frustum.
(ii) Total surface area of frustum.
(iii) Volume of the frustum.
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