Answer:
- -20 = 20
Step-by-step explanation:
The "opposite" here means we take the negative of -20 C.
So we can write - -20 which is equal to 20.
So the first option is correct, - -20 = 20.
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Answer:
The pair of figures are similar, because when flipping the figure on the right 90 degrees clockwise, it looks very similar to the figure on the right.
Step-by-step explanation:
(8x-10)°+(6x)°+(10x+10)°=360°
8x-10+6x+10x+10=360
8x+6x+10x-10+10=360
24x-10+10=360
24x=360
24x/24=360/24
x=15
Scalene because all three sides are different.
79.623 rounded to the nearest whole would be 80
