All categories

3 years ago

A rectangular prism is 3 units high 2 units wide and 5 units long what is its surface area in square units

Mathematics

1 answer:

Luba_88 [7]3 years ago

6 0

Answer:

62 square units

Step-by-step explanation:

The area of a rectangular prism is the sum of the areas of its six faces. Opposite faces have the same area, so it is the sum of 3 pairs of faces. The area of one face of each pair is the product of the dimensions of that face. Those three areas are ...

• L·W

• W·H

• H·L

so the total surface area is ...

A = 2(LW +WH +HL)

For hand calculation, this can be simplified a bit to ...

A = 2(LW +H(L+W)) . . . . . requires one less multiplication

For your prism, the area is ...

A = 2(5·2 + 3(5+2)) = 2(10 +21) = 62 . . . square units

You might be interested in

The original price of an article was reduced by 20% the new price was 1,500.00. what was the original price of the article

just olya [345]

Answer:

$1,875

Step-by-step explanation:

(if 500 is 80%, divide 1500 by 4 to get 20%)

1500 divided by 4 is 375

375 plus 1500 is 1875

5 0

3 years ago

Can somebody help me with these?

Sliva [168]

1. -216

2. -6561

Hope this helped!

5 0

3 years ago

Read 2 more answers

This figure is made up of a triangle and a semicircle.

AlekseyPX

Step-by-step explanation:

first in time : original. 2a : of, relating to, or being a prime number — compare relatively prime. b : having no polynomial factors other than itself and no monomial factors other than 1 a prime polynomial.

5 0

2 years ago

Zak takes 3 steps for every 2 steps Rich takes. How many steps will zak take if rich takes 18 steps? Explain how you found the a

horsena [70]

Do 2*3 then do the answer divided by 18 to get the answrr

5 0

3 years ago

Read 2 more answers

Scientists in Florida are measuring the masses of sea turtles as they hatch. They create a line graph and plots the masses of 18

NeTakaya

Answer:

36 3/4

Step-by-step explanation:

12 1/4 + 12 1/4 + 12 1/4 = 36 3/4 :)

8 0

3 years ago