area

Flashcards by shahazada hussain , updated more than 1 year ago More Less
 Created by shahazada hussain almost 4 years ago
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areas of shapes

Resource summary

 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 7a5fd711-23e1-4d6a-b530-18ba98511419.png (image/png) Area=64 1734ba52-9e0c-41fb-b6dd-dfa1b4067592.png (image/png) 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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