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lilisncz
20.12.2019 •
Mathematics
30 points
what is the value of y?
enter your answer in the box.
y =
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Ответ:
Step-by-step explanation:
Because of the Isosceles Triangle Theorem, angle B and angle C have the same measure. If angle B is 75, then so is angle C. By the Triangle Angle-Sum Theorem, all the angles of a triangle have to add up to equal 180 degrees. That means that angle A = 180 - 75 - 75 which is 30 degrees. Therefore,
Angle A = 30 degrees. By the substitution property of equality,
4y + 10 = 30 and
4y = 20 so
y = 5
Ответ:
The correct option is C)![V=3.14 \ \text{cubic \ inches}](/tpl/images/0489/3268/130a9.png)
Step-by-step explanation:
We need to calculate the volume of cylinder
Given:- Radius is 1 inch and height is 1 inch
Since, volume of the cylinder is calculated as
Therefore, the correct option is C)![V=3.14 \ \text{cubic \ inches}](/tpl/images/0489/3268/130a9.png)