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شائع Word Problems >

The diameter of a circle is 3 ft. Find its area to the nearest whole number.The diameter of a circle is 3 ft. Find its area to the nearest whole number.

الحلّ

T h e d iam e t er o f a c i rc l e i s 3 f t . F in d i t s a re a t o t h e n e a res t w h o l e n u mb er . T h e d iam e t er o f a c i rc l e i s 3 f t . F in d i t s a re a t o t h e n e a res t w h o l e n u mb er .

الحلّ

a re a : 7 f t^{2}

خطوات الحلّ

Given:

d iam e t er : 3 f t

Circle Area given

d = 3 : A = \frac{9 π}{4}

a re a : \frac{9 π}{4} f t^{2}

Round

\frac{9 π}{4}

to the nearest integer:

7

a re a : 7 f t^{2}

أمثلة شائعة

Meg invested 16,000 in a savings account. If the annual interest rate is 6%, how much will be in the account in5 years with quarterly compounding?Jeanette is saving up money to buy a car. Jeanette puts 5,444.00 into an account which earns 10% interest, compounded quarterly. How much will she have in the account after 3 years?You are dealt one card from a 52-card deck. Find the probability that you are dealt a nine or a red card.Five times the sum of a number and 7 is 30. Find the numbers How much would you need to deposit in an account now in order to have 4000 in the account in 15 years? Assume the account earns 4% interest compounded monthly.