Bubtottle on November 20, 2008
mathematics, math, maths, geometry, geometry vocab
Questions regarding terms and concepts in NCEA Level 1 Mathematics. Includes Geometry, Number
Log in to favorite or report as inappropriate.Terms | Definitions |
|---|---|
are equal | Vertically opposite angles _______. |
add to 180º | Angles on a straight line _______. |
add to 360º | Angles at a point _______. |
in half | An angle bisector cuts an angle _______. |
are equal | Corresponding angles _______. |
are equal | Alternate angles _______. |
add to 180º | Co-interior angles _______. |
add to 180º | Angles in a triangle _______. |
are equal | Angles at the base of an isosceles triangle _______. |
(n-2)x180º | Interior angles of n sided polygon add to _______. (×=x) |
add to 360º | Exterior angles of any polygon _______. |
twice | Angle at the centre of a circle is _______ the angle at the circumference. |
all | Cyclic quads have _______ vertices on the circumference of the same circle. |
are equal | Angles on the same arc _______. |
is 90º | Angle where radius meets tangent _______. |
add to 180º | Opposite angles in a cyclic quad _______. |
interior opposite | Exterior angle of a cyclic quad is equal to the _______ angle. |
shape | Similar polygons have the same _______. |
0.5 | ½=[decimal] |
0.25 | ¼=[decimal] |
0.75 | ¾=[decimal] |
formula for area of a rectangle | A=b×h |
formula for area of a triangle | A=½×b×h |
formula for area of a trapezium | A=(a+b)÷2×h |
formula for area of a circle | A=π×r² |
formula for circumference | C=π×d |
formula for volume of a cuboid | V=b×h×d |
formula for volume of a pyramid | V=1/3×b×h |
formula for volume of a sphere | V=4/3×π×r² |