What is the area of this shape?

Mathematics

2 answers:

stepan [7]2 years ago

7 0

Answer:

10 I think

Step-by-step explanation:

well we add it all together 2+1+3+4

Semenov [28]2 years ago

5 0

Answer:

Step-by-step explanation:

Split up the shape into 2 seperate shapes (I did a trapezoid and)

Rectangle:

1*4 = 4

Trapezoid:

3 - 1 = 2 (for trapezoid's height)

4 - 2 = 2 (for trapezoid's shorter base)

(3 * $\frac{1}{2}$ ) * (2 + 4) =

1.5 * 6 = 9

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aleksandr82 [10.1K]

Answer:

x=67

y=40

The angles equal 63 and 117

Step-by-step explanation:

88% sure

5 0

3 years ago

How do you find the parameterization of a helix?

Marina CMI [18]

Answer:

$\left\{\begin{array}{l}x=r\cos t\\ \\ y=r\sin t\\ \\z=at\end{array}\right.$

Step-by-step explanation:

A <u>helix</u> is a curve for which the tangent makes a constant angle with a fixed line. The shortest path between two points on a cylinder (one not directly above the other) is a fractional turn of a helix, as can be seen by cutting the cylinder along one of its sides, flattening it out, and noting that a straight line connecting the points becomes helical upon re-wrapping (see attached diagram for helix).

The parametrization for the helix is

$\left\{\begin{array}{l}x=r\cos t\\ \\ y=r\sin t\\ \\z=at\end{array}\right.,$