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allochka39001 [22]
2 years ago
9

Ivan is painting 3 walls in his bedroom. Each wall measures 9 3/4 feet tall by 14 1/4 feet wide. Ivan needs to estimate the tota

l area he will paint in order to determine the amount of paint to purchase. Which expression best represents the estimated area, in square feet, that Ivan will paint?
Mathematics
1 answer:
Lisa [10]2 years ago
5 0

4 (9 3/4 * 14)

Area of needed paint: 546 square feet

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Pls help in this aaaaaa
ivanzaharov [21]
The question is incorrect. X is not defined UNLESS the hexagon is a regular hexagon, which means that all sides are equal (given) AND all angles are equal (not given).

Error in question aside, and  ASSUMING the hexagon is regular, you can apply the principle that
1. the sum of exterior angles of ANY polygon is 360.
2. the sum of exterior angles and interior angles at EACH vertex is 180.
3. Multiply sum from (2) above by the number of vertices and subtract 360 gives the sum of the interior angles.
4. IF the polygon is regular (all angles equal), then each interior angle equals the result from (3) divided by n, the number of vertices.

Example for a regular heptagon (7 sides, 7 verfices).
1. Sum of exterior angles = 360
2. sum of interior and exterior angles at EACH vertex=180
3. multiply 180 by 7, subtract 360
180*7-360=900
4. since heptagon is regular, each interior angle equals 900/7=128.57 deg.


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