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zubka84 [21]
2 years ago
12

Find the length of the diagonal of a rectangular football pitch with sides 46.6 m and 78.9 m.

Mathematics
1 answer:
ICE Princess25 [194]2 years ago
7 0

Answer:

d≈91.63m

Step-by-step explanation:

d=w2+l2=78.92+46.62≈91.63389m

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(Please look at the NUMBERS below the picture)
GenaCL600 [577]
This is what I got
Area= 31.83 rounded would be 32
Radius= 3.18 rounded would be 3
Diameter= 6.37 rounded would be 6
7 0
2 years ago
Need help to solve please??<br> Need to proof
inysia [295]

Answer:

Step-by-step explanation:

#   Statement   Reasoning

1). KJ║ML    Given

2). ∠KLM ≅ ∠LKJ   Alternate interior angles

3). KL ≅ LK  Reflexive property

4). ΔKJL ≅ ΔLMK  SAS congruence postulate

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2 years ago
Plzzzz help me ??!?!?!??
True [87]

Pythagorean Theorem is for right triangles

 right triangles have a 90 degree angle in them

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5 0
3 years ago
Read 2 more answers
Does anyone know how to solve this?
Bezzdna [24]

Use this version of the Law of Cosines to find side b:

b^2 = a^2 + c^2 − 2ac cos(B)

We want side b.

b^2 = (41)^2 + (20)^2 - 2(41)(20)cos(36°)

After finding b, you can use the Law of Sines to find angles A and C or use other forms of the Law of Cosines to find angles A and C.

Try it....

6 0
3 years ago
How many times does the graph of the function below interect or touch the x-axis? y=-2x^2+3x+5
Andrei [34K]

Answer:

Two times at (-1,0) and (2.5,0)

Step-by-step explanation:

When the graph intersects or touches x-axis, y is equal to 0

so y = -2x^2 + 3x + 5

=> 0 = -2x^2 + 3x + 5

The formula to solve a quadratic equation of the form ax^2 + bx + c = 0 is equal to x = [-b +/-√(b^2 - 4ac)]/2a

so a = -2

    b = 3

    c = 5

substitute in the formula

x = [-3 +/- √(3^2 - 4x-2x5)]/2(-2)

x = [-3 +/- √(9 + 40)]/(-4)

x = [-3 +/- 7]/(-4)

x1 = (-3 + 7)/(-4) = 4/-4 = -1

x2 = (-3 - 7)/(-4) = -10/-4 = 5/2 = 2.5

so the graph has two x-intercepts (-1,0) and (2.5,0), therefore it intersects x-axis two times

7 0
2 years ago
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