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Andrej [43]
3 years ago
7

For what value of x is a parallelogram ABCD a rectangle

Mathematics
2 answers:
hodyreva [135]3 years ago
6 0

Answer:

A)  7

Step-by-step explanation:

x + 5 = 2x - 2

7 + 5 = 2(7) - 2

12 = 12

Effectus [21]3 years ago
4 0

Answer:

a is your answer

Step-by-step explanation:

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What is the value of the underligned digit in 5436788
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Which is the underlined digit?
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If angle 2 measures 155 degrees in the image below and what is the measurement of angle 1
Degger [83]
<h2>Answer:</h2>

<em>Angle 1 measures 25 degrees</em>

<h2>Explanation:</h2>

Hello! Remember you have to write complete questions in order to get good and exact answers. Here I'll assume the diagram shown below. In that figure, we know that:

\angle 1=? \\ \\ \angle 2=155^{\circ}

The figure shows that these two angles are supplementary, so they add up to 180 degrees. Therefore:

\angle 1+\angle 2=180^{\circ} \\ \\ Substituting \ \angle 2=155^{\circ}: \\ \\ \angle 1+155^{\circ}=180^{\circ} \\ \\ \\ Isolating \ \angle 1: \\ \\ \angle 1=180^{\circ}-155^{\circ} \\ \\ \boxed{\angle 1=25^{\circ}}

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3 years ago
Name the property of real numbers illustrated by the equation 2x + 4y = 4y + 2x.
nata0808 [166]
Distributive property i think

4 0
3 years ago
The diagram shows a rectangle PQRS.
Aloiza [94]

Answer:

a) The area of the triangle AQB is 43 square centimeters.

b) The length of the line segment AQ is approximately 14.866 centimeters.

Step-by-step explanation:

a) The procedure consist in subtracting the areas of triangles APQ, ASB and BRQ of the area the rectangle, that is to say:

A = (9\,cm)\cdot (14\,cm) - \frac{1}{2}\cdot (5\,cm)\cdot (14\,cm) - \frac{1}{2}\cdot (8\,cm)\cdot (9\,cm) -\frac{1}{2}\cdot (4\,cm) \cdot (6\,cm)

A = 43\,cm^{2}

The area of the triangle AQB is 43 square centimeters.

b) The length of the line segment AQ is determined by Pythagorean Theorem:

AQ = \sqrt{AP^{2}+PQ^{2}} (1)

AQ = \sqrt{(5\,cm)^{2}+(14\,cm)^{2}}

AQ \approx 14.866\,cm

The length of the line segment AQ is approximately 14.866 centimeters.

6 0
3 years ago
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