Vocabulary
What is an angle of less than 90 degrees?
Acute
a squared plus b squared equals what?
c squared
3.14 is the rounded number for what mathematical concept?
Pi
What shape has 4 sides?
a square.
What is the area of a square with a side length of 24 cm?
a = 576 square cm.
What is a line that intersects a circle or sphere in exactly one point?
Tangent
Right
What is the formula for determining the area of a circle?
The area of a circle is pi times the radius squared.
(A = π r²)
How many sides does a hexagon have?
6 sides
What is the perimeter of a triangle with one side of 34 cm, a base of 65 cm, and another side of 43 cm?
P = 142
What is the term for points that lie on the same line?
Collinear
What is the name of the side opposite the right angle?
Hypotenuse
What is the formula for determining the circumference of a circle?
The circumference of a circle is two times pi times the radius.
(2πr)
How many vertices does a cube have?
8 vertices.
What is the perimeter of a circle with a radius of 34 cm?
c=213.63
What is the name for a quadrilateral with four right angles and four congruent sides?
A square
What is the simplest (smallest) Pythagorean triple?
3,4,5
What is the formula for determining the total surface area of a sphere?
The area of a circle is 4 times pi times the radius squared.
(A = 4π r²)
What is the area of a kite with a diagonal (p) of 25 cm and a diagonal (q) of 40 cm?
A=500 cm.
What is the unit of measurement used in angles and arcs?
Degree
A Pythagorean triple has sides of 6 and 8. What is the length of the hypotenuse?
10
What is the value of pi in fraction form?
22/7
What shape has 20 sides?
Icosagon.
What is the area of a trapezoid with a base (a) of 23cm, a base (b) of 34cm, and a height (h) of 56cm?
A=1624 cm.