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Rose Curve Geometry and Angles

Rose Curve Geometry and Angles

Assessment

Interactive Video

Mathematics, Science, Arts

9th - 12th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

This video tutorial explains how to draw roses in polar coordinates using sine functions. It covers the construction of roses with odd angles, specifically focusing on one-leaf, three-leaf, and five-leaf roses. The tutorial provides step-by-step instructions on determining the starting angle and spacing of leaves, emphasizing the mathematical calculations involved. The video concludes with graphing techniques for odd functions and a preview of even function graphing in the next video.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus of the video tutorial?

Graphing linear equations

Understanding Cartesian coordinates

Drawing roses using sine function

Drawing roses using cosine function

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you determine the starting angle for the first leaf in a rose with an odd angle?

Divide 180 degrees by the number in front of the angle

Divide 90 degrees by the number in front of the angle

Multiply 90 degrees by the number in front of the angle

Subtract 90 degrees from the number in front of the angle

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a three-leaf rose, what is the angle between each leaf?

180 degrees

60 degrees

120 degrees

90 degrees

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a three-leaf rose, what is the angle of the first leaf?

120 degrees

90 degrees

30 degrees

60 degrees

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the starting angle for the first leaf in a five-leaf rose?

54 degrees

72 degrees

36 degrees

18 degrees

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are the leaves spaced in a five-leaf rose?

Every 45 degrees

Every 72 degrees

Every 90 degrees

Every 60 degrees

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the angle of the second leaf in a five-leaf rose?

90 degrees

234 degrees

162 degrees

72 degrees

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