Perimeter, Area, Conversion Units

Question 1

length

Answer 1

measure of distance

Question 2

Kilometer = __ meters

Answer 2

1000 meter

Question 3

Meter = __ centimeters

Answer 3

100 centimeters

Question 4

Centimeters = __ millimeters

Answer 4

10 millimeters

Question 5

arc

Answer 5

A part of the circumference of a circle. It joins any two different points on the circle

Question 6

chord

Answer 6

a straight line that joins any two points on the circle

Question 7

circumference

Answer 7

the distance around the outside of a circle (perimeter of a circle)

Question 8

diameter

Answer 8

a line that crosses a circle, passing through the center

Question 9

radius (plural = radii)

Answer 9

a line from the center of the circle to any point on the circle

Question 10

sector

Answer 10

a part of a circle formed by the chord and an arc

Question 11

tangent

Answer 11

a line that touches the circumference at one point only. It meets the radius at a right angle

Question 12

segment of a circle

Answer 12

region between a chord and the circle

Question 13

semi-circle

Answer 13

half of a circle

Question 14

perimeter

Answer 14

Distance around the outside of a figure

Question 15

What does “pi” equal

Answer 15

circumference / diameter
3.1415

Question 16

Formula for circumference (C) of a circle using diameter (d)?

Answer 16

C = “pi” x d

Question 17

Formula for circumference (C) of a circle using radius (r)?

Answer 17

C =2 “pi” x r

Question 18

area

Answer 18

measurement of the size of a surface

Question 19

Area of a rectangle

Answer 19

A = length (l) x width (w)

Question 20

Area of a triangle

Answer 20

A = 1/2 base (b) x length (l)

Question 21

Area of a parallelogram

Answer 21

A = base (b) X height (h)

Question 22

Area of a trapezium

Answer 22

A = average length of parallel sides (a +b) x distance between parallel sides (h)
A = (a+b/2) x h

Question 23

Area of a kite

Answer 23

A = 1/2 x of the product of the lengths of the diagonals
A = 1/2 (xy)

Question 24

circle

Answer 24

set of points which are the same distance from a fixed point called a center