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GREYUIT [131]
3 years ago
5

The pythagorean theorem and maps answer key

Mathematics
2 answers:
Nesterboy [21]3 years ago
8 0
I can help u with one question,rest u can do it.
Pythagorean theorem is (hy)^2=(l)^2+(b)^2
Hypotenuse is the lingest side of a triangle

anzhelika [568]3 years ago
8 0

Answer with explanation:

According to Pythagorean Theorem if in a right triangle the two legs of a right triangle are a and b and the hypotenuse is denoted by c then we have:

          c^2=a^2+b^2

Ques 1)

By Pythagorean Theorem we have:

                 (440)^2=(305)^2+a^2\\\\i.e.\\\\193600=93025+a^2\\\\\\a^2=193600-93025\\\\\\a^2=100575\\\\\\a=317.1356\ units

To the nearest tenth we have:   a=317.1

Ques 2)

By Pythagorean Theorem we have:

                 (415)^2=(390)^2+b^2\\\\i.e.\\\\172225=152100+b^2\\\\\\b^2=172225-152100\\\\\\b^2=20125\\\\\\b=141.8626\ units

To the nearest tenth we have:   b=141.9

Ques 3)

By Pythagorean Theorem we have:

c^2=(625)^2+(450)^2\\\\\\c^2=593125\\\\\\c=770.1460

To the nearest tenth we have:   c=770.1

Ques 4)

By Pythagorean Theorem we have:

(515)^2=(380)^2+d^2\\\\\\d^2=120825\\\\\\d=347.5989

To the nearest tenth we have:   d=347.6

Ques 5)

By Pythagorean Theorem we have:

(700)^2=(400)^2+e^2\\\\\\e^2=330000\\\\\\e=574.4562

To the nearest tenth we have:  e=574.4

Ques 6)

By Pythagorean Theorem we have:

(750)^2=(500)^2+f^2\\\\\\f^2=312500\\\\\\f=559.0169

To the nearest tenth we have:   f=559

Ques 7)

By Pythagorean Theorem we have:

(g)^2=(250)^2+(250)^2\\\\\\g^2=125000\\\\\\g=353.5533

To the nearest tenth we have:   g=353.6

Ques 8)

By Pythagorean Theorem we have:

(400)^2=(325)^2+h^2\\\\\\h^2=54375\\\\\\h=233.1844

To the nearest tenth we have:   h=233.2

Ques 9)

By Pythagorean Theorem we have:

(i)^2=(300)^2+(400)^2\\\\\\i^2=250000\\\\\\i=500

To the nearest tenth we have:   i=500

Ques 10)

A Pythagorean triple is the set of three positive integers a,b and c such that it satisfy:

                  c^2=a^2+b^2

Hence, we among the given above options the Pythagorean triple are:

 The last option form i.e. the triangle whose side is 300, 400 and i.

Also, the figure is attached to the answer.

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A rectangular playground is to be fenced off and divided in two by another fence parallel to one side of the playground. Seven h
Arisa [49]

Answer:

Step-by-step explanation:

Suppose the dimensions of the playground are x and y.

The total amount of the fence used is given and it is 780 ft. In terms of x and y this would be 3x+2y=780 (we add 3x because we want it to be cut in the middle). Therefore,  y= 780/2-3/2x. Now, the total area (A )to be fenced is

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