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alex41 [277]
4 years ago
13

Which of the following statements is needed in order to prove these triangles are congruent by AAS?

Mathematics
1 answer:
creativ13 [48]4 years ago
5 0

Answer:

RQ\cong UT

Step-by-step explanation:

Two triangles are congruent by AAS postulate if two adjacent corresponding angles are congruent and the next adjacent sides to any of the angles is are also congruent. The adjacent sides should not be in between the two congruent angles.

From the triangles RQS and UTV

\angle R\cong \angle U\\\angle S\cong \angle V

The adjacent side to \angle R is RQ and for \angle U is UT.

Similarly, the adjacent side to \angle S is QS and for \angle V is TV.

So, the possible sides that could be congruent by AAS postulate are:

RQ\cong UT or QS\cong TV

So, the correct option is RQ\cong UT

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umka2103 [35]

Answer:

Step-by-step explanation:

Let the length of one side of the square base be x

Let the height of the box by y

Volume of the box V = x²y

Since the box is opened at the top, the total surface area S = x² + 2xy + 2xy

S = x² + 4xy

Given

S = 7500sq in.

Substitute into the formula for calculating the total surface area

7500 = x² + 4xy

Make y the subject of the formula;

7500 - x² = 4xy

y = (7500-x²)/4x

Since V = x²y

V = x² (7500-x²)/4x

V = x(7500-x²)/4

V = 1/4(7500x-x³)

For us to maximize the volume, then dV/dx = 0

dV/dx = 1/4(7500-3x²)

1/4(7500-3x²) = 0

(7500-3x²) = 0

7500 = 3x²

x² = 7500/3

x² = 2500

x = √2500

x = 50in

Since y = (7500-x²)/4x

y = 7500-2500/4(50)

y = 5000/200

y = 25in

Hence the dimensions of the box that will maximize its volume is 50in by 50in by 25in.

The Volume of the box V = 50²*25

V = 2500*25

V= 62,500in³

Hence the maximum volume is 62,500in³

3 0
3 years ago
In circle P, chord AB is 3 inches from the center and chord CD is 5 inches from the center. Chord CD is ____ than chord AB.
Leno4ka [110]
The chord that goes through the center of a circle, the diameter, is the longest chord in a circle.  Any other chord will be shorter than this.  The farther a chord is away from the circle, the shorter it will be.  This means that chord CD is shorter than chord AB.
5 0
3 years ago
Read 2 more answers
the length of rectangle is 4cm more than its breadth and its perimeter is11cm more than its .The area of the rectangle
Kisachek [45]
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7 0
3 years ago
What single decimal multiplier would you use to increase by 5% followed by a 20% increase?
sashaice [31]

Answer:

The single decimal multiplier is 1.26.

Step-by-step explanation:

Multipliers:

For a decrease of a%, we multiply by: \frac{100-a}{100}

For a increase of a%, we multiply by: \frac{100+a}{100}

For consecutive changes, we multiply the multipliers.

Increase of 5%

Multiply by \frac{100+5}{100} = \frac{105}{100} = 1.05

Increase of 20%

Multiply by \frac{100+20}{100} = \frac{120}{100} = 1.2

Consecutive:

1.05*1.2 = 1.26

The single decimal multiplier is 1.26.

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I would help but I learned this in 5th grade sorry but hope you find a answer!
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