2 years ago

GEOMETRY. What am I suppose to do?

Mathematics

1 answer:

victus00 [196]2 years ago

3 0

Answer:

1= 115 2=65

Step-by-step explanation:

the two lines with the red arrows are parallel, meaning the angles they create from the line running through them in this case are equal. they're also equal to 180. so, we know that angle 1 is 115 because it's given, and 180-115=65.

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Bingel [31]

Answer:

3.14

Step-by-step explanation:

The formula for the area of a circle is $\pi r^2$ , where r is the radius. In this circle, the area would therefore be $3.14\cdot 2^2=12.56$ . However, since this is only a quarter circle, you need to divide the area by 4, meaning that the area of this shape is 3.14 square units. Hope this helps!