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Phoenix [80]
3 years ago
11

What is the area of this polygon?

Mathematics
2 answers:
dalvyx [7]3 years ago
6 0

Step-by-step explanation:

The area of the polygon is 51cm².

exis [7]3 years ago
3 0

Answer:

To find the area of a regular polygon, all you have to do is follow this simple formula: area = 1/2 x perimeter x apothem . Here is what it means: Perimeter = the sum of the lengths of all the sides Apothem = a segment that joins the polygon's center to the midpoint of any side that is perpendicular to that side

Step-by-step explanation:

i thingk i help u

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Someone please help me
exis [7]
V = 1/3 l h w

V = 1/3 (12)(15)(9)
V= = 540

answer 540 m^3
8 0
3 years ago
The hypotenuse of a right triangle is 1m longer than twice one of the other two sides. The third side of the triangle is 15m. Fi
Dimas [21]

Let the length of unknown side be x

So, hypotenuse = 2x + 1

By pythagorean theorem ie , a² = b² + c²

(2x + 1)² = x² + 15²

4x² + 1 + 4x = x² + 225

3x² + 4x -224

(3x +28)(x-8)

x = -9.33 , 8

Since, length can't be negative

x = 8

∴Unknown side length = 8 m

Length of hypotenuse = 2 x 8 + 1 = 17 m

Hope it helps now.

4 0
3 years ago
Read 2 more answers
Why do you think triangular structures are so stable?
BabaBlast [244]
They are balanced more evenly than other shapes
8 0
3 years ago
Read 2 more answers
Alex swims 20 minutes per day for exercise. The total
sveticcg [70]

Answer:

e total number of minutes, m.

Step-by-step explanation:

The dependent variable is the variable in which the variable cannot stand by itself.

In this situation, the total number of minutes, m, equal 20 times the number of d.

m = 20d

d, is a variable which can be multiplied which states that it has a value, no matter what. On the other hand, m, requires d, to be there in order to have a value.

The answer is, m, the total number of minutes.

Step-by-step explanation:

5 0
3 years ago
Help please I'm stuck once again?​
Llana [10]

Answer:

The probe's final position is -143m

Step-by-step explanation:

Note that the words 'lowered' and 'below' mean subtract; while the word 'raised' means add. Thus, interpreting the statement to mathematical expression is done below.

- 90m + 50m - 138m + 35m

=  - 143m

Therefore, the probe's final position is -143m. Hence, the sensor is 143m below the sea level.

5 0
3 years ago
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