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MaRussiya [10]
3 years ago
5

What is the area of the rhombus

Mathematics
2 answers:
jeka943 years ago
6 0

Answer:

the total area of the rhombus is 80 units².

Step-by-step explanation:

If we draw a horiz. line through the vertices (-1, 1) and (9, 1), we create a triangle with those points and (4, 9) as vertices.  Thus, the base of this triangle is 9 - (-1), or 10, and the height is 9 - 1, or 8.

The area of this triangle is A = (1/2)(base)(height), or

A = (1/2)(10)(8) = 40 units².  Since the lower triangle has the same area, the total area of the rhombus is 2(40 units²), or 80 units².

fomenos3 years ago
3 0

Answer:

A=pq

2

Step-by-step explanation:

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Which equations represent the line that is parallel to 3x − 4y = 7 and passes through the point (−4, −2)? Select two options. y
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Answer:

<em>The equation of the parallel  line to the given equation is </em>

<em>3 x-4 y = -4    and </em>

<em>The equation of the parallel  line to the given equation is </em>

y = 1 + \frac{3 x}{4}

<em></em>

Step-by-step explanation:

<u><em>Explanation</em></u>:-

Given equation of the line 3 x -4 y = 7 and given point ( -4 , -2 )

<em>The equation of the parallel line to the given equation is </em>

<em>3 x - 4 y = k </em>

it is passes through the point ( -4 , -2)

3 (-4) - 4 ( -2) = k

-12 +8 = k

k = -4

<em>The equation of the parallel  line to the given equation is </em>

<em>3 x- 4 y = -4 </em>

<em>Dividing '4' on both sides , we get</em>

<em></em>\frac{3 x-4 y}{-4} = 1<em></em>

<em></em>\frac{-3 x}{4} +y =1<em></em>

<em></em>y = 1 + \frac{3 x}{4}<em></em>

<u><em>Conclusion</em></u>:-

∴ <em>The equation of the parallel  line to the given equation is </em>

<em>3 x- 4 y = -4 </em>

<em>and </em>

<em>The equation of the parallel  line to the given equation is </em>

y = 1 + \frac{3 x}{4}

<em>     </em>

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