Question

A round table at the dulays dining room has a 92cm diameter .if the table is to be covered by a glass top,what will be the area of the glass top?

Answer 1

Step-by-step explanation:

Radius = diametre by 2 = 92by 2= 46cm

area of round table =area of galss top =pie r square

22/7into 46 into 46 = 46552by 7 =6650 .28 cm*2

Answer 2

Answer:

6,647.61 sq.cm ≈ 6,648 sq.cm

Step-by-step explanation:

Here,

diameter (d) of the round table is 92 cm (given)

We know that ,

d = 2 r

Therefore ,

r = d / 2

r = 92 / 2

r = 46 cms.

Area of round glass top = Area of the round table (To cover the entire table)  (1)

Now ,

Area of a circle = πr^2     (where r is 'radius')

Substituting r = 46 in the formula we get ,

Area (A) = 3.14 x 46 x 46

Area (A) = 6,647 . 61 ≈ 6,648  (Since 6647.61 > 6647.50)

The area of the glass top will be approximately 6,648 sq.cm (6,647.61 sq.cm)

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