Math

Refine Search

What is a ray that divides an angle into two congruent angles called?

The bisector is a ray, a line or a portion of a line that enters the midpoint of the angle through the interior of the angle. Congruent angles are the same size as one another and they always contain an equal number of degrees. In the case of a 90-degree angle, a bisector splits the angle in half and creates two angles that are 45 degrees each. Lines that are the same length are also referred to as congruent.

Continue Reading

How do you convert 161 lbs to kg?

Learn the equation to convert pounds to kilograms The equation for converting pounds to kilograms is lb / 2.2046.Enter the necessary value into the equation The next step in the process is to enter the value of the number of pounds you want to convert to kilograms. In this case, it is 161 lbs / 2.2046.Solve the equationTo solve, divide 161 lbs by 2.2046. The product of 161 lbs / 2.2046 = 73.028 kg.\n

Continue Reading

What are the prime factors of 56?

A prime number is an integer higher than 1 that is only divisible by 1 and itself. Examples of prime numbers are 2, 3, 5, 7, 11 and 13. \nTo find prime factors of a number like 56, you can use divisibility tests. Because the number 56 is even, it is divisible by 2. The steps to find the prime factors using the divisibility tests are:\n56 = 2 x 28\n56 = 2 x 2 x 14\n56 = 2 x 2 x 2 x 7\nA factorization tree also is very useful for writing the prime factorization of numbers. There are several prime factor calculators available online.

Continue Reading

Does the Winchester Ballistics Calculator measure trajectory?

Using the ballistics calculator begins with choosing a type of ammunition from six categories that include shotgun slug, rimfire, centerfire handgun and centerfire rifle ammo. Customizing shooting conditions in the ballistics calculator requires entering wind speed and the outdoor temperature.\nThe Winchester Ballistics Calculator is accessible at BallisticsCalculator.Winchester.com. Utilizing the features of the online ballistics calculator, Winchester offers a user-friendly app for the iPhone as a free download from the Apple App Store, as of May 2015.

Continue Reading

What is the purpose of a bar graph?

Bar graphs are very similar to histographs, which are another way to visually represent data. In histographs, however, the data is continuous. Bar graphs traditionally have spaces between the individual bars to keep the graph from looking too similar to a histograph. Bar graphs are also sometimes referred to as bar charts. Other types of graphs include line graphs and pie charts.

Continue Reading

What is the formula to solve for the volume of a right circular cylinder?

If the height of a cylinder is four inches, and the radius of the base is 2 inches, the volume is expressed as V = π(2)^2*4. The radius, 2, is squared, and then multiplied by both pi and the height, four. The volume of the cylinder is equal to 50.27 inches squared.

Continue Reading

How much 16 x 16 tile do you need for 96 square feet?

One way to figure out how much tile is needed is to change the square feet to square inches by multiplying 96 square feet by 144 square inches per square foot. The answer is 13,824 square inches. Each tile is 256 square inches. Dividing the total square inches by the tile's square inches, 13,824/256, equals 54. It therefore takes 54 tiles to cover the area. Adding in 10 percent for waste, it is best to purchase 60 tiles.

Continue Reading

What is pi in MATLAB?

MATLAB users should be aware that the tiny difference between pi as defined in MATLAB and the fundamental constant pi can lead to unexpected results in calculations. For example, the expression sin(pi), which one would expect to return 0, actually returns 1.2246e-16 in MATLAB. Users can correct this error by rounding the result of sin(pi) to 0.

Continue Reading

What does "congruent" mean in geometry?

Congruent shapes can undergo transformations and still have the same size, angles and line lengths. Transformations include rotation, reflection or translation. Rotation involves turning a shape, reflection is flipping the shape and translation occurs when the shape slides across a plane.\nCongruent angles occur when multiple angles contain the same measure. On congruent shapes, the angles and sides can be marked with dashes and half circles.\nThe word "congruent" originates from the Latin term "congruere," which means "to agree."

Continue Reading

How do you solve two-step equations?

Isolate the variableRestate the equation with the variable isolated on one side. If 2x + 4 = 8, move 4 to the other side by subtracting 4 from each side of the equation. The new equation is 2x = 8 - 4, or 2x = 4.Remove the coefficientThe coefficient is the number multiplied by the variable. In this case, divide each side by 2. Thus, 2 / 2 = 1 and 4 / 2 = 2. The result is 1 (x) = 2Solve for xRemove the 1, and the answer is x = 2.

Continue Reading
Showing 521 to 530 of 3956 (396 Pages)