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jarptica [38.1K]
3 years ago
11

A rectangle has vertices A ( 1, 2) B (1, 7), C ( 4,7) and D (4, 2). What is the area of the rectangle

Mathematics
1 answer:
scoray [572]3 years ago
7 0
The area of the rectangle is 15. To find the area of a rectangle or square the equation is Base*Height. When you graph this you can see the points and count the distance between them which is 3 as your base and 5 as your height. This is my guess.
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nika2105 [10]

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7 0
3 years ago
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3 years ago
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3 0
3 years ago
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What is the component form of the vector represented by 2a when a⃗ =〈−2,3〉?
Paladinen [302]

Answer:

\vec v = 2\cdot \vec a = \langle -4,6 \rangle

Step-by-step explanation:

Let \vec a = \langle -2, 3 \rangle, we need to determine \vec v = 2\cdot \vec a, which can be found by applying the following property:

\alpha \cdot \langle x,y \rangle = \langle \alpha \cdot x, \alpha \cdot y\rangle, \forall \,\alpha,x,y\in \mathbb{R} (1)

Then,

\vec v = 2\cdot \langle -2,3 \rangle

\vec v = \langle -4,6 \rangle

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Answer:

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