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3 years ago

13

Help me find the surface area of the candle

1 answer:

ExtremeBDS [4]3 years ago

4 0

Answer:

Easy!

Step-by-step explanation:

1) To find the surface area of a regular triangular pyramid, we use the formula SA = A + (3/2)bh, where A = the area of the pyramid's base, b = the base of one of the faces, and h = height of one of the faces.

or

2)Multiply the side length of the base by the slant height and divide by two. Then, multiply by 4. This will give you the lateral surface area of the pyramid. Add the base surface area and the lateral surface area.

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I've been workin and workin and kept on gettin 21...but the answer key says 27. If yea could help and explain this I'd surely lo

lilavasa [31]

q/3 - 3 =6

add 3 to each side

q/3 = 9

multiply both sides by 3

q = 9 *3 = 27

7 0

3 years ago

SHOW YOU WORK AND EXPLAIN PLS I WILL MARK YOU BRAINLIEST PLEASE.

KatRina [158]

Answer:

a) 1.8 $cm^2$

b) 3.6 $feet^2$

Step-by-step explanation:

Conversion and calculation of areas

The area of a rectangle is A=wh, where w is the width and h is the height. There are 3 feet in one yard

a)

We are told Kalie put 6 stickers, each one of 1/2 centimeters (0.5 cm) wide by 3/5 (0.6 cm) centimeter long. The area of one sticker is

A=(0.5)(0.6)=0.3 $cm^2$

Assuming there is no overlapping, the 6 stickers have a total area

6*0.3 $cm^2$ =1.8 $cm^2$

b)

Each of Elana's wrapping papers measures 2/5 yards long and 1/4 yard wide. Converting them to feet we have

long=2/5*3=1.2 feet

wide=1/4*3=0.75 feet

Area of each paper=1.2 feet*0.75 feet=0.9 $feet^2$

Area of the entire board, assuming no overlapping and no space left uncovered=4*0.9 $feet^2$

Area of board=3.6 $feet^2$

7 0

3 years ago

Can someone answer this what is 3/4 times 3/6 in simpilest form

schepotkina [342]

Answer:

$\large\boxed{\dfrac{3}{8}}$

Step-by-step explanation:

$\dfrac{3\!\!\!\!\diagup^1}{4}\times\dfrac{3}{6\!\!\!\!\diagup_2}=\dfrac{1}{4}\times\dfrac{3}{2}=\dfrac{1\times3}{4\times2}=\dfrac{3}{8}$

4 0

3 years ago

Read 2 more answers

The population of a town increases by 5 % every five years. Due to a high rate of industrialisation of

Anna11 [10]

Answer:

A

Step-by-step explanation:

Because 105%*105%=1.1205

and the only number divisible by that is A

6 0

3 years ago

At the beginning of an experiment, there are 400 grams of contaminants. Each hour, three-fourths of the contaminants are filtere

snow_tiger [21]

Answer:

thats 300 grams filtered out per hour

Step-by-step explanation:

so 4/4ths of 400 is 400 but taking 3/4ths is turning it too 100 grams

4 0

3 years ago