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Furkat [3]
3 years ago
10

If the cube shown is 7 centimeters on all sides what is the length of the diagonal x.

Mathematics
2 answers:
Volgvan3 years ago
7 0

Answer:

9.899

Step-by-step explanation:

7²+7²=98

\sqrt{98} =9.899

Marina86 [1]3 years ago
3 0

There's no cube shown but we can guess the diagonal is the long diagonal.  

In a rectangular parallelpiped (aka a box) with dimensions a × b × c the long diagonal x satifies a 3D version of the Pythagorean Theorem,

x² = a² + b² + c²

In a cube a=b=c

x² = 3a²

x = a√3

Answer: 7√3

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3 years ago
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Graph the line that has a slope of 8 and includes the point (0,2).
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3 years ago
Use the properties of quadrilaterals to complete the statements. A has exactly one pair of parallel sides. A must have two pairs
vesna_86 [32]

Answer:

1. Trapezoid

2. Kite

3. Square, Rhombus

Step-by-step explanation:

Given - Use the properties of quadrilaterals to complete the statements.

To find - A ..... has exactly one pair of parallel sides.

             A ....... must have two pairs of adjacent sides congruent.

             A ........ must have all congruent sides.

Proof -

A Trapezoid has exactly one pair of parallel sides.

A Kite must have two pairs of adjacent sides congruent.

A Square, Rhombus must have all congruent sides.

Reason -

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  • A kite is a quadrilateral with exactly two pairs of adjacent congruent sides.
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5 0
3 years ago
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faltersainse [42]
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Answer:

A) True

B) True

C) False

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B) Can be or not can be (graph 2)

C) Can be not must be (graph 3)

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4 years ago
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