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Cards (15)
The equation to find the
area of a circle
is :
π x radius²
The equation to find the
circumference of a circle
is either :
π x diameter
or
π x 2 x diameter
Parts of
a circle
The
Pythagoras equation
is :
a²+b²=c²
interior angles +
exterior angles = 180°
Total interior angles
=
180(n-2)
Equation on how to find the
exterior angle of a polygon
is:
360/n
umber of sides
The equation on how to find the
area of a fraction of a circle
:
πr²/4
The equation on how to find the
perimeter of a fraction of a circle
: (
2πr/4
)+
r+r
The equation on how to find the
arc length
:
2
x
π
x r x (
θ/360
)
The equation on how to find the
interior angle
:
180 - exterior angle
or
Total interior ÷ the number of sides
The equation on how to find the
exterior angle
:
360/the number of sides
The equation on how to find the
total interior angle
:
180 x (number of sides - 2)
What is the equation on how to find the
total interior angle
?
180 x (number of sides-2)
Shortwave radiation from the sun travels towards Earth
Some reaches Earth and is absorbed by ocean and land.
Some radiation is trapped by greenhouse gases and keeps the Earth warm
Some heat passes through the atmosphere as longwave radiation into space
A) 1.
B) 2.
C) 3.
D) 4.
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