rb531112 rb531112

24-01-2022
Mathematics

contestada

Find the area of circle when diameter is d

Find the area of circle when diameter is d class=

Respuesta :

algebraic12 algebraic12

24-01-2022

Step-by-step explanation:

Area formula is

[tex]\pi {r}^{2} [/tex]

and we know that

[tex]2r = d[/tex]

Isolate r.

[tex]r = \frac{d}{2} [/tex]

Plug d/2 for r.

[tex]\pi( \frac{d}{2} ) {}^{2} [/tex]

or

[tex]\pi( \frac{d}{4} )[/tex]

Answer Link

Otras preguntas

Israel started to solve a radical equation in this way Square root of x plus 6 − 4 = x Square root of x plus 6 − 4 + 4 = x + 4 Square root o

Please help! It's super easy but I forget! 15 points!

England's first settlement in America failed. Where was this colony started?

Which exponential equation is equivalent to the logarithmic equation below? c= In 4 A.) e^c= 4 B.) 4^c = e C.) c^4= e D.) e^4 = c

how do i answer this question ?

factor completely: 3x^2 + 9x-3 a) 3(x^2+3) b) 3(x^2+3x-1) c) 3x(x^2+3x-1) d) prime

similarities between sydney Australia and Cairo egypt

The graph below shows the price, y, in dollars, in different number of pounds of dried coffee, x A.y= x + 10 B. Y = 10x C.y = x + 5 D. Y= 5x First right answer

What civilization founded the first known value of pi?

help me with english please i will give branliest