Measuring

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Measuring by Mind Map: Measuring

1. Area

1.1. Circle

1.1.1. To find the area of a circle you must use the formula: pi*r^2 where r is radius

1.1.1.1. Example

1.2. Rectangle

1.2.1. To find the area of a rectangle you must use the formula: l*w where l is length and w is width

1.2.1.1. Example

1.3. Triangle

1.3.1. To find the area of a triangle you must use the formula: (1/2)*b*h where b is the base and h is the height

1.3.1.1. Example

2. Angle Measure

2.1. Acute

2.1.1. An acute angle is an angle with a measurement less than 90 degrees.

2.1.1.1. Example

2.2. Obtuse

2.2.1. An obtuse angle is an angle with a measurement greater than 90 degrees.

2.2.1.1. Example

2.3. Right

2.3.1. A right angle is an angle with an exact measurement of 90 degrees.

2.3.1.1. Example

3. Surface Area

3.1. Cube

3.1.1. To find the surface area of a cube you must use the formula: 6*l^2 where l is the length

3.1.1.1. Example

3.2. Prism

3.2.1. To find the total surface area of a prism you must use the formula: 2*l*w+2*l*h+2*w*h where l is the length, w is the width, and h is the height

3.2.1.1. Example

3.3. Sphere

3.3.1. To find the surface area of a sphere you must use the formula: 4*pi*r^2 where r is the radius

3.3.1.1. Example

4. Volume

4.1. Rectangular Prism

4.1.1. To find the volume of a rectangular prism you must use the formula: l*w*h where l is length, w is width, and h is height

4.1.1.1. Example

4.2. Cone

4.2.1. To find the volume of a cone you must use either formula: (1/3)*b*h where b is the base and h is the height or (1/3)*pi*r^2*h where r is the radius and h is the height

4.2.1.1. Example

4.3. Sphere

4.3.1. To find the volume of a sphere you must use the formula: (4/3)*pi*r^3 where r is the radius

4.3.1.1. Example

5. More Formulas

5.1. Website