Quiz

Lateral and Total Area of Pyramid and Cone — Lesson quiz

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Write the rule for the lateral area of a regular square pyramid with base side a and slant height l.

4al

a²l

2al

A regular pyramid has a base perimeter of 18 cm and a slant height of 5 cm. Find its lateral area.

90 cm²

23 cm²

45 cm²

180 cm²

A right circular cone has base radius 4 cm and slant height 6 cm. Find its lateral area in terms of π.

24π cm²

12π cm²

16π cm²

48π cm²

Find the total area of a right circular cone with base radius 3 cm and slant height 5 cm, in terms of π.

15π cm²

24π cm²

9π cm²

8π cm²

A regular square pyramid has a base side of 8 cm and a slant height of 5 cm. Find its total area.

80 cm²

112 cm²

144 cm²

64 cm²

What is the difference between the base area of a cone and its lateral area?

The base area is π r², and the lateral area is π r l

The base area is 2π r, and the lateral area is π r²

The base area is π r l, and the lateral area is π r²

Both are π r²