Tf0273433
30.12.2019 •
Mathematics
Question one: which figures are polygons
question two: the interior angles formed by the sides of a quadrilateral have measures that sum to 360°. what is the value of x?
question three: which polygon appears to be regular?
question four: how many sides does a pentagon have?
question five: classify each polygon by its number of sides.
all answers or none, mathematics, 8th grade, images attached
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Ответ:
1. A polygon is any shape with straight edges, so A, C and D.
2.
The 4 inside angles need to equal 360 degrees.
360 - 248 = 112
112/2 = 56
Each top corner = 56 degrees.
X = 56 / 2 = 28
X = 28
3. A regular polygon has all equal sides and angles, this would be figure B.
4. A pentagon has 5 sides.
5. Hexagon ( 6 sides), pentagon ( 5 sides), and decagon ( 10 sides).
Ответ:
453 divided by 6 = 75.5
147 divided by 8 = 18
3/8 118 divided by 7 = 16 6/7
622 divided by 4 = 155 1/2
Step-by-step explanation: