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3 years ago

Find the sum of the exterior angles, one at each vertex, of a heptagon

1 answer:

8 0

Since the sum of the exterior angles of any polygon is going to always be 360 u can take 360 and divide that by the number of sides which is 7. This gives u 51.4 degrees rounded to the nearest tenth for each exterior angle. PS. Roblox Rocks

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Im bad at composite figures || please hurry

goldfiish [28.3K]

The figure is the combination of trapezoid and square. Then the area of the figure will be 39 square meters.

The complete question is attached below.

<h3>What is Geometry?</h3>

It deals with the size of geometry, region, and density of the different forms both 2D and 3D.

The figure is the combination of trapezoid and square.

Then the area of the geometry will be

Area = Area of trapezoid + Area of square

Area = 1/2 x (3 + 9) x 5 + 3 x 3

Area = 30 + 9

Area = 39 square meters

More about the geometry link is given below.

brainly.com/question/7558603

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2 years ago

Volume of prisms mathswatch answers

Svetradugi [14.3K]

Answer:

Volume of recangular prisms is l*w*h, triangular prism is (l*w*h)/3

Step-by-step explanation:

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3 years ago

I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER

steposvetlana [31]

x + 30 = 2x (since angleA = angle D, due to congruency between the two triangles.)

30 = 2x - x

30 = x

hope it helps...!!!

4 0

2 years ago

Using Triangle Similarity Theorems (6)

Fantom [35]

Answer:

DC = 3

Step-by-step explanation:

Based on triangle similarity theorem, we would have the following equation:

$\frac{AD}{AC} = \frac{AE}{AB}$

Plug in the values

$\frac{9}{9 + DC} = \frac{12}{12 + 4}$

$\frac{9}{9 + DC} = \frac{12}{16}$

$\frac{9}{9 + DC} = \frac{3}{4}$

Cross multiply

3(9 + DC) = 9×4

27 + 3DC = 36

Subtract 27 from each side

3DC = 36 - 27

3DC = 9

Divide both sides by 3

DC = 9/3

DC = 3

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2 years ago

What is the point slope form of the line with slope 25 that passes through the point (−4, −7)?

vlada-n [284]

Answer:

$y = mx + c \\ - 7 = - 4 \times 25 + c \\ - 7 = - 100 + c \\ c = - 7 + 100 \\ c = 93$

7 0

2 years ago

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Find the sum of the exterior angles, one at each vertex, of a heptagon​

Find the sum of the exterior angles, one at each vertex, of a heptagon