Answer:
Ok so you shade in 42 of the squares in the grid. That would mean there would be 68% unshaded.
Step-by-step explanation:
180 = 2n + 128
2n = 52
n = 26°
180 - 128 = 52
90 + 52 + m = 180
142 + m = 180
m = 38°
Answer: n = 26° and m = 38°
Answer:
A
Step-by-step explanation:
One way to see if two ratios are proportional is to write them as fractions and then reduce them. If the reduced fractions are the same, your ratios are proportional.
16b. Always. (Not sure why ‘Sometimes’ was wrong. It will be coplanar if they are in the same plane.
16c. Never. If two planes intersect, they intersect through half of the plane, not a point of the plane.