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Alinara [238K]
3 years ago
15

Can someone give step by step on what to do?

Mathematics
1 answer:
ohaa [14]3 years ago
7 0

Answer:

SA=14.28^{2}

Step-by-step explanation:

In the Equation it asks for 3 things; pi (3.14), r (The radius), and h (the height).

In the question, it says that the radius is 1 foot and that the height is 4 feet. From there all you need to do is insert those numbers where it's shown in the equation. This makes the equation go from this:

SA=2\pi r^{2} + 2\pi r h

To this: SA=2(3.14)(1^{2}) + 2(1)(4)

From there you follow PEMDAS/GEMDAS. And should have your answer.

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Given: ∠ DEF

To construct: ∠TSZ ≅ ∠DEF

Construction: Consider the attachment

Step-01: Draw a line XY and choose a point S on it as a vertex of the required angle. Further marks point T such that DE = ST

Step-02: Take an arc AB from point E in ∠DEF of any length and draw at point S which cuts at point P on XY line.

Step-03: Take another arc of length AB from point B in ∠DEF and draw from point P which cuts to the previous arc at Q.

Step-04: Now, join the point SQ and extend up to Z such that EF = SZ

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