Answer:
5) D. Trapezoid.
6) C. Trapezoid.
7) B. All parallelograms are quadrilaterals.
8) A. A Polygon is a closed figure with. 3 or more curved or straight sides.
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160 cm is the answer i hope i helped
Answer:
Extremely large and small numbers that have many zeros are long to write and take up a lot of room. So, by using scientific notation a number can be written shorter. For example, numbers such as 295,000,000,000 can be shortened to 2.95x
. This is easier to write and understand. This is why the scientific notation is used over standard.
1. B
2. D
3. C= πD
a) 204π or 641 cm
A= π r²
b) π (102)²
10404π squared cm or 32669 squared cm
4. C
5. D