CORE Module 3 Intro Const. Math Trade Terms Section 6 (29)

The length of a straight line that crosses from one side of a circle, through the center point, to a point on the opposite side. The _______ is the longest straight line that can be drawn inside a circle.

• Area

• Radius

• Diameter

• Circumference

The amount of space contained in a two-dimensional object, such as a rectangle, circle, or square.

• Unit

• Area

• Volume

• Mass

A closed curved line drawn at a constant distance around a central point. A _______ measures 360°.

• Circle

• Triangle

• Rectangle

• Square

A four-sided shape with four 90° angles. Opposite sides of a _______ are always parallel and the same length. Adjacent sides

• Circle

• Triangle

• Rectangle

• Square

A closed shape that has three sides and three angles.

• Circle

• Triangle

• Rectangle

• Square

(1) A special type of rectangle with four equal sides and four 90° angles. (2) The product of a number multiplied by itself. For example, 25 is the _______ of 5; 16 is the _______ of 4.

• Circle

• Triangle

• Rectangle

• Square

A mathematical process used to solve a problem. For example, the _______ for finding the area of a rectangle is Side A times Side B = Area, or A × B = Area.

• Product

• Pi

• Formula

• Quotient

A unit of measurement for angles. For example, a right angle measures 90°.

• Degree

• Diagonal

• Unit

• Vertex

A 180° angle or flat line.

• Acute angle

• Right angle

• Obtuse angle

• Straight angle

An angle that measures 90°. The two lines that form a _______ _______ are perpendicular to each other. This is the angle most used in the crafts.

• Acute angle

• Right angle

• Obtuse angle

• Straight angle