4361769
Description
Flashcards by shahazada hussain , updated more than 1 year ago
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Created by shahazada hussain
almost 9 years ago
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| Question | Answer |
| what is the formula for finding the area of a circle? | area of a circle=πr² |
| what is the formula for the area of a triangle? | area of a triangle=1/2xbxh |
| if the height of a triangle is 12 cm and the base length is 1 m then what is it's area? | area= 600cm/6m (1/2x12x100) |
| If the diameter of a circle is 9 cm, then what is the area? (3 s.f) | Area=63.6 |
| Area=64 | |
| Area of shaded area= 28.1cm | |
| What is the formula for calculating the area of a trapezium ? | A = 1/2(a + b)h (a and b are the parallel lines) |
| what is the area of a trapezium whose parallel sides are 38.7 cm and 22.3 cm, and the distance between them is 16 cm? | Area=488 cm² |
| The parallel sides of a trapezium are 25 cm and 11 cm, while its non parallel sides are 15 cm and 13 cm. Find the area of the trapezium. | 216 cm² |
| What is the area of a sphere? | Area of a sphere=4πr² |
| what is the area of a hemisphere with the radius of 10cm? (in terms of pi) | Area= 200π |
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