4 years ago

taylot is making a cookie cake that has a diameter of 15 in what is the area of a fourth of the cake?

1 answer:

3 0

Circle since diameter
area=pir^2
d/2=r
15/2=7.5=r
area=pi7.5^2
area=pi56.25
1/4 of that
56.25pi times 1/4=14.0625pi

answer is 14.0625pi in^2 or aprox 44.1786375 in^2

You might be interested in

Please solve <img src="https://tex.z-dn.net/?f=18%5E2%5Ex%5E-%5E1%3D100" id="TexFormula1" title="18^2^x^-^1=100" alt="18^2^x^-^1

mel-nik [20]

Answer: x= log18 (10) +1/2
x= 1.29664

Good luck !

8 0

3 years ago

PLS HELP THIS IS TIMED!!!!!

SIZIF [17.4K]

Answer:

Step-by-step explanation:

8 0

3 years ago

!!HELP ASAP!! What is the surface area of the rectangular pyramid below?

creativ13 [48]

Answer:

D. 507 square units

Step-by-step explanation:

surface area of the rectangular pyramid

$= area \: of \: base + 4 \times area \: of \: one \: \triangle \\ \\ = {13}^{2} + 4 \times \frac{1}{2} \times 13 \times 13 \\ \\ = 169 + 2 \times 169 \\ \\ = 169 + 338 \\ \\ = 507 \: {units}^{2} \\$