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cupoosta [38]
3 years ago
11

Each polygon is divided into a number of triangles. Find the number of triangles if the number of sides in a polygon is: (a) 6

Mathematics
1 answer:
Serga [27]3 years ago
4 0

Answer:

4 triangles

Step-by-step explanation:

the number of triangles in a polygon is (the number of sides in the polygon - 2)

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Write the following word phase as a mathematical equation. The sum of 7 and twice a number, squared.
agasfer [191]

Answer:

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4 0
3 years ago
the maximum distance D in kilometers that you can see from a height H in meters is given by the formula d equals 3.5 times the s
Irina-Kira [14]
First put the words in an algebraic format or a model. D = 3.5(√H). Now determine what the question is asking. It's height. Plug in the value of D. Distance is 35 km.
35 = 3.5(√H) We want to get H by itself. First thing to get away from it is 3.5. So                      divide 35 by 3.5 And 3.5(√h) by 3.5.
10 = √H        To get rid of √ do the opposite raise to the power of 2
10² = (√H)²   
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7 0
3 years ago
Is this answer right?? If not what’s the real answer? I’m trying to practice for my STAAR.
Ierofanga [76]

35

Area of rectangle

21m^2

Area of one triangle

divide length of 7 by 2 (3.5)

gives you length b (unknown side that is not hypotenuse)

then multiply by width of triangle (4)

3.5 * 4 = 14

and in this situation there is no need to divide by two, because you essentially have one full square from both the triangles. this only works when both triangles are the same.

add the area of the rectangle

14+21= 35

35m^2

8 0
2 years ago
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