# Basic math glossary-A

Basic math glossary-A define words beginning with the letter A

Absolute value: Distance of a number from zero

Acute angle: An angle whose measure is less than 90 degrees

Acute triangle: A triangle that has three acute angles

Addition: Finding a sum of two or more numbers

Angle: Two rays with the same endpoint or vertex

Area: The amount of space inside a shape or a two-dimensional figure, measured in square units

Average: The number obtained as a result of adding two or more quantities and dividing the sum by the numbers of quantities

Axis: One of the reference lines in a coordinate system

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1. ### Average age word problem

Aug 09, 16 01:40 PM

Average age of Dipu and Apu is 22 years. Average age of Dipu and Tipu is 24 years. Age of Dipu is 21 years. What are the ages of Apu, and tipu ? Let