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sum means the answer of a math problem
in math terms reduce means to simplify
A math pyramid is pyramid-shaped-web in which every number on the pyramid (with the exception of the bottom row of the pyramid) is the sum of the two numbers below it.
It is an abbreviation for quart.
principal(in terms of math)- the amount you borrow or deposit
HL in math mean hypotenuse leg
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It
A tetrahedron is a 3-dimensional figure with four sides - i.e. a triangular pyramid.
sum means the answer of a math problem
No.
neither
A rhombus.
Milimeters
average
A number? ^^