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Rashid [163]
3 years ago
7

Joey is building a frame for a sandbox. The sandbox is going be have the shape and dimensions below. If the diagonal of the sand

box measures 14 feet, what kind of quadrilateral will the sandbox be? Explain how you know.

Mathematics
1 answer:
alina1380 [7]3 years ago
7 0

Answer:

Quadrilateral

Step-by-step explanation:

In the sandbox, opposite sides are equal.

However, using Pythagoras Theorem

14^2\neq 12^2+8^2\\196 \neq 208

Therefore, the sandbox cannot be a rectangle since if it were, each triangle must be a right triangle.

In the triangle

  • If c^2=a^2+b^2,  C is a right angle 
  • If c^2, C is an acute angle 
  • If c^2>a^2+b^2 , C is an obtuse angle 

Since 198, Angles C and X are acute angles.

Therefore, the sandbox does not satisfy the properties of any known quadrilateral. It is simply a quadrilateral-shaped sandbox.

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Does the point (-9,-4) satisfy the equation y = x + 5?
ozzi

Answer:

Yes it satisfies the equation

Step-by-step explanation:

Let, P(x,y) = (-9,-4)

Then, x = -9

         y = -4

if we use this value in the equation, we will get L.S = R.S ;(-4 = -9 + 5)

So, the point satisfies the equation

Hope you have understood this

Pls mark my answer as the brainliest

5 0
3 years ago
You are assigned 32 math exercises for homework. You complete 87.5 of these before dinner. How many do you have left to do after
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Answer:

4

Step by step:

This is if the question is saying you completed 87.5% of the exercises. Otherwise, I don't know what it is asking.

87.5% of 32=28

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Answer:

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Step-by-step explanation:

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