Circles
what is the circumference of a circle with a radius of 14?
87.9 or 88
what is the area of a square with a side length of 6cm?
36cm2
what is the area of a triangle is a base of 14 and a height of 20?
1402
what is the area formula for trapezoid?
A= 1/2h(b1+b2)
one pair of parallel sides
trapezoid
what is the area of a circle with a diameter of 50?
1963.52
what is the area of a square with a side length of 56?
31362
what is the area of a rectangle with a length of 56 and a width of 100?
56002
what is the area formula for a square?
A=s2
opposite sides are parallel
all sides are congruent
rhombus
what is the term for the outside length of a circle?
circumference
how many sides does a square have?
4
what is the area of a square with a side length of 40?
16002
what is the area formula for a triangle?
A=1/2bh
opposite sides are parallel and congruent and all angles are 90°
Rectangle
what is the diameter of a circle?
the long line through the middle of the circle that touches both ends.
what is the angle measure of all four corners of a square?
90°
what is the area of an object?
the number of unit squares that cover the surface of a closed figure
what is the area formula for a rectangle?
A=lw
opposite sides are parallel , all sides are equal,all angles equal 90°
Square
what is the area of a circle with a radius of 57?
10207.032 or 102072
what is the perimeter of a square with side lengths of 30?
120
what is the area of a circle with a radius of 34?
3631.72
what is the area formula for a circle?
A= πr2
one pair of parallel sides , non parallel sides are congruent.
isosceles trapezoid