1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Vsevolod [243]
1 year ago
10

Finally surface area of the solid. use 3.14 for π. write your answer as a decimal.

Mathematics
1 answer:
Sav [38]1 year ago
8 0

To find the total surface area of this cone, we have that the total lateral area is given by the formula:

A_{\text{lateral}}=s\cdot\pi\cdot r

Where

s is the slant height of the cone, s = 12 inches.

r is the radius of the base of the cone, r = 7 inches.

To that area, we need to add the area of the base of the cone:

A_{\text{base}}=\pi\cdot r^2

That is, this is the area of a circle with this radius. Then, the total surface area is:

A_{\text{total}=}s\cdot\pi\cdot r+\pi\cdot r^2

Substituting the values in this formula, we have:

A_{\text{total}}=12in\cdot3.14\cdot7in+\pi\cdot(7in)^2=263.76in^2_{}+153.86in^2

Then

A_{\text{total}}=417.62in^2

Hence, the total area is equal to 417.62 square inches.

You might be interested in
6. How many inch cubes does it take to fill a box with width 2 inches, length 3
sveticcg [70]

Answer:12

Step-by-step explanation:i think because 3•2•3

6 0
3 years ago
Read 2 more answers
Which word in the sentence does the underlined phrase modify?
Brilliant_brown [7]
C. Writer

"for the food magazine" is modifying "writer"
Hopefully that helps! If, "for the food magazine" is no the correct underlined phrase, just message back! That's just what I think is underlined! :)
8 0
3 years ago
How do I find the median for a congruent triangle
Andrej [43]
The length of a median is equal to half the square root of the difference of twice the sum of the squares of the two sides of the triangle that include the vertex the mediam is drawn from and the square of the side of the triangle the median is drawn to.

triangle sides by a, b, c.

ma=122c2+2b2−a2

mb=122c2+2a2−b2

mc=122a2+2b2−c2

3 0
3 years ago
Emma needs to earn at least $250 a week during her summer break to pay for college. She works two jobs, one at a gas station tha
ANTONII [103]

Answer:

x×25+y×14.5( greater than or equal to symbol)250

4 0
3 years ago
Rectangle with an area of 16 with a perimeter of 20
Assoli18 [71]
An 8 by 2 rectangle
have a nice day!
4 0
3 years ago
Other questions:
  • determine the decimal equivalent for 1/11 2/11 and 3/11. Use a pattern to mentally determine the decimal and equivalent for 7/11
    12·1 answer
  • A store sells cooking oil of two different brands in bottles of the same size. The table below and the equation each show the pr
    12·1 answer
  • Four friends contribute the sum of the money to a charitable organization in
    8·1 answer
  • Please assist me with this math problem​
    7·1 answer
  • What is the most precise name for a quadrilateral with the following vertices:
    12·1 answer
  • Can you please help me someone I will give brainliest for correct answer
    8·1 answer
  • Which is larger 14/25 or 0.54
    10·2 answers
  • What is the simplified value of the expression below?<br> -8*(-3)
    12·1 answer
  • On the last algebra test M students scored x on the test and N students
    12·2 answers
  • PLEASE HELP!
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!