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3 years ago

Abby is painting two cubes for an art project.

Mathematics

2 answers:

11Alexandr11 [23.1K]3 years ago

8 0

Answer:

1. 54 square feet.

2. 24 square feet.

3. 78 square feet.

Step-by-step explanation:

1. Each side of cube 1 is 3 feet x 3 feet, so each side has an area of 9 square feet. Multiply by 6 sides and the area is 54 square feet.

2. 6s^2 = (6 x 2) x 2

(6 x 2) x 2

12 x 2

= 24

3. Just add the 36 and 24.

56 + 24 = 78

Hope this helps!

Alborosie3 years ago

6 0

Answer:

Question

Abby is painting two cubes for an art project.

Cube 1: side length = 3 feet

Cube 2: side length = 2 feet

The surface area of a cube is 6s2, where s is the length of one side.

Find the total surface area that Abby will paint.

1. Find the surface area of cube 1. Show your work, and include units with your answer.

2. Find the surface area of cube 2. Show

Step-by-step explanation:

Question

Abby is painting two cubes for an art project.

Cube 1: side length = 3 feet

Cube 2: side length = 2 feet

The surface area of a cube is 6s2, where s is the length of one side.

Find the total surface area that Abby will paint.

1. Find the surface area of cube 1. Show your work, and include units with your answer.

2. Find the surface area of cube 2. Show

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icang [17]

We know: The sum of the measures of the angles of a triangle is equal 180°.

We have: m∠A =65°, m∠B = (3x - 10)° and m∠C = (2x)°.

The equation:

65 + (3x - 10) + 2x = 180

(3x + 2x) + (65 - 10) = 180

5x + 55 = 180 <em>subtract 55 from both sides</em>

5x = 125 <em>divide both sides by 5</em>

x = 25

m∠B = (3x - 10)° → m∠B = (3 · 25 - 10)° = (75 - 10)° = 65°

m∠C = (2x)° → m∠C = (2 · 25)° = 50°

<h3>Answer: x = 25, m∠B = 65°, m∠C = 50°</h3>

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3 years ago