72 because right number on the top of the bar is six, and 12•6=72
Answer:
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Step-by-step explanation:
i need it
Answer:
Select all the lines with slope
.
Step-by-step explanation:
Use the slopes to help you answer this kind of questions.
The slope of the line going through: (1, - 2) and (3,4) is given by:

We plug in the coordinates to get:

All lines that are perpendicular to this line has slope
.
There would be 35 rulers.
In order to solve this, use cross multiplication.
6/10 = 21/x -----> cross multiply
10*21 = 6*x
210 = 6x
35 = x
Answer:
78.04 square cm
Step-by-step explanation:
Area of shaded region = area of circle - Area of rectangle
