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Geometry Vocab

Published on Nov 18, 2015

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PRESENTATION OUTLINE

ACUTE ANGLE

Angle less than 90 degrees

OBTUSE ANGLE

Angle that is over 90 degrees but less than 180

RIGHT ANGLE

Angle that is exactly 90 degrees

STRAIGHT ANGLE

Angle that is exactly 180 degrees

VERTICAL ANGLE

Two angle that are opposite where the lines cross.

ADJACENT ANGLES

Two angles that are right beside each other.

COMPLEMENTARY ANGLES

Two angles that equal 90 degrees.

SUPPLEMENTARY ANGLES

Two angles that equal 180 degrees.

CORRESPONDING

Two angles that are in the same position but in a different location.

TRANVERSAL

The third line formed when two parallel lines are intersected.

CIRCLE

A SHAPE WITH A ROUND SIDE.

SEMICIRCLE

HALF OF A CIRCLE

CIRCUMFERANCE

THE LENGTH AROUND THE CIRCLE.

AREA

THE AMOUNT OF SPACE INSIDE OF AN OBJECT.

DIAMETER

LENGTH ACROSS THE MIDDLE OF A CIRCLE

RADIUS

HALF OF THE DIAMETER

PI

NEVERENDING DECIMAL THAT IS RELATED TO THE CIRCUMFERENCE OF A CIRCLEEEEEEEREER

FORMULA

A SOLUTION TO A MATH PROBLEM.

PRISMS

HAS FLAT SIDES AND THE SAME CROSS SECTION ALL ACROSS ITS LENGTH

PYRAMIDS

A SHAPE THAT COMES TO A POINT AT THE TOP.

CONE

A 3D SHAPE THAT HAS A CIRCULAR BASE AND ONE VERTEX.

CYLINDER

A SOLID OBJECT WITH TWO IDENTICAL FLAT ENDS AND A CURVED SIDE.

EDGE

THE LINE WHERE TWO SURFACES MEET.

FACES

A FACE IS AN INDIVIDUAL OF THE SURFACES OF AN OBJECT.

BASE

THE LOWEST PART, WHAT A SOLID OBJECT STANDS ON.

VERTEX

A POINT WHERE TWO STRAIGHT LINES MEET.

CROSS SECTION

A VIEW INSIDE OF SOMETHING BY CUTTING IN.

SURFACE AREA

THE TOTAL AREA OF A SURFACE OF AN OBJECT.

VOLUME

THE AMOUNT OF A SPACE AN OBJECT TAKES UP.