Answer:
x = 19
Step-by-step explanation:
123°+3x = 180°
3x = 180°-123°
3x = 57
x = 57/3
x = 19
The reason why we use 123° + 3x = 180° because both are adjacent angles. Adjacent angles add up to 180°
Gotta see a pic of the paper
Answer:
multiply the chances
1/2 (every other number is even right)
1/2 x 1/6 (if it is a normal dice) = 1/12
1/12 chance
Step-by-step explanation:
-.5 or negative 1/-2
same thing just in a dec and frac
Answer:
256 m^2
Step-by-step explanation:
area = b x h
16 x 16 = <em>256</em>
both combined would be <em>512</em>