Answer:
c=18
Step-by-step explanation:
54 divided by 9 is 6
6 times 3 is 18
The area of the polygon is the sum of the area of rectangle + area of triangle = 316 cm². (Option C)
<h3>
Area of Polygon</h3>
The polygon is composed of a triangle and a rectangle.
Area of the polygon = Area of Triangle + Area of Rectangle
Area of Rectangle = length × width
Length = 21 cm
Width = 14 cm
Area of rectangle = 21 × 14 = 294 cm²
Area of Triangle = 1/2(base × height)
Base = 21 - 10 = 11 cm
Height = 18 - 14 = 4 cm
Area = 1/2(11 × 4) = 22 cm²
Therefore:
Area of Polygon = 294 + 22 = 316 cm².
Learn ore about the area of polygon on:
brainly.com/question/8409681
Possible answer: 24
14 is 10+4
So 10 + 14 is 24
Answer:
166 2/13 deg
Step-by-step explanation:
The sum of the measures of the interior angles of a convex polygon of n sides is 180(n - 2).
A hexagon has 6 sides, so n = 6.
sum of measures of angles = 180(n - 2) = 180(6 - 2) = 180(4) = 720
4x + 5x + 6x + 7x + 8x + 9x = 720
39x = 720
x = 720/39
x = 240/13
The largest angle has measure 9x.
9x = 9 * 240/13 = 2160/13
2160/13 = 166 2/13
Answer: 166 2/13 deg
Let 'x' represent the monthly membership fee for the gyp.
Since 1 year = 12 month for 1 year Alyson will pay 12x dollars.
But if she pay in advance 12x dollars she will receive $50 discount and pay $514:
12x - 50 = 514
x = $47
The monthly membership fee is $47.
hope it helps
