Answer:
first one
Step-by-step explanation:
A^2 + b^2 = c^2 in right triangles.
4^2 + b^2 = 8.5^2
16 + b^2 = 72.25
b^2 = 56.25
b = 7.5
Try to ya a ruler to see if it looks to be near 45* which is half of 90*. If it appears less than 45* then it’s A if it appears to be a tad bit more than it is B
9514 1404 393
Answer:
138, 139
Step-by-step explanation:
Let n represent the lower page number. Then we have ...
n +(n +1) = 277
2n = 276
n = 138
n +1 = 139
The page numbers are 138 and 139.
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The odd page number is generally on the right side of facing pages.