CONE

CONE

9th Grade

10 Qs

quiz-placeholder

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CONE

CONE

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

BABAR SHAIK

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The lateral surface  area of a Cone of radius 'r' , slant height 'l'and height 'h' is

π l (r+l) sq.unit
π rh sq.unit
2π r h sq.unit
π r l sq.unit

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the curved surface area of the cone of radius 7cm and slant height 7cm ?

154 cm

155 cm

154 cm2

154 m2

Answer explanation

C.S.A OF CONE = πrl

= 22/7 * 7*7

= 22 * 7

= 154 cm2

3.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

Find the lateral surface area of a cone with radius 5cm and slant height 8cm

40π cm2

45π cm2

50π cm2

55π cm2

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

If the radius of a cone is 6cm and height is 8cm, what is the total surface area of the cone?

96π cm2

100π cm2

104π cm2

108π cm2

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which type of triangle we observe in the Cone

Acute angled triangle

Obtuse angled triangle

Right angled triangle

None

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the formula to find the volume of a cone?

1/3 * π * r2 * h

2/3 * π * r2 * h

π * r2 * h

4/3 * π * r2 * h

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Calculate the total surface area of a cone with radius 4cm and slant height 6cm

40π cm2

42π cm2

44π cm2

46π cm2

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