It does not matter whether or not you have a d or a c to use for an unknown number, because you do not know what that number is. The letter does not abbreviate something, it's just a symbol to fill in the place of the missing number.<span />
Answer:
y + z = x
Step-by-step explanation:
The external angle of a triangle is equal to the sum of the 2 opposite interior angles.
x is an exterior angle of the triangle, thus
y + z = x
Answer:
50% chance
Step-by-step explanation:
lol math go brrr
So, 27=30 and 18=20 rounded
so what you would do now is multiply 30 x 20 and you get $600
Answer:
perimeter= 40.8
area= 333.3
Step-by-step explanation:
