Trigonometry Fundamentals - Intro

58 Topics, 4 Skills

Ratio Manipulation

Topic 1

Calculating Angles from Ratios (Words to Arc Notation)

Topic 2

Calculating Angles from Ratios (Words to -1 Notation)

Topic 3

Ratio Manipulation

Topic 4

Side Lengths from Variables and Identity

Topic 5

Calculating Angles from Ratios (to Arc Notation)

Topic 6

Approximating Ratios in Decimal from Diagrams

Topic 7

Side Lengths from Variables

Topic 8

Calculating Angles from Ratios (to -1 Notation)

Topic 9

Approximating Identities in Decimal from Diagrams

Topic 10

Calculating Ratios from Angles (Words)

Topic 11

Calculating Ratios from Angles

Topic 12

Calculating Angles from Ratios (Words)

Topic 13

Calculating Angles from Ratios

Topic 14

Calculating Angles from Ratios (-1 Notation)

Topic 15

Calculating Angles from Ratios (Arc Notation)

Topic 16

Calculating Angles from Ratio Decimals and Trig Identities

Topic 17

Calculating Angles from Ratio Fractions and Trig Identities

Topic 18

Identity Ratios from Diagrams

Topic 19

Side Length Ratios from Diagrams

Topic 20

Solve Trig Ratio from Values

Topic 21

Identities in Decimal from Diagrams

Topic 22

Solve Angles from Values

Topic 23

Solve Side Lengths from Values

Topic 24

Side Length Ratios in Decimal from Diagrams

Topic 25

Fact Family - Sin/Cos/Tan - Triangle to Fact

Topic 26

Fact Family - Sin/Cos/Tan - Fact to Triangle

Topic 27

Both Lengths to Ratio, Whole Numbers - Parallel Line Display

Topic 28

Length and Ratio to Top Length, Whole Numbers - Parallel Line Display

Topic 29

Length and Ratio to Top Length, Whole Numbers - Parallel Line Display

Topic 30

Length and Ratio to Bottom Length, Whole Numbers - Parallel Line Display

Topic 31

Length and Ratio to Bottom Length, Whole Numbers - Parallel Line Display

Topic 32

Both Lengths to Ratio, Whole Numbers - Right Angle Line Display

Topic 33

Length and Ratio to Top Length, Whole Numbers - Right Angle Line Display

Topic 34

Length and Ratio to Top Length, Whole Numbers - Right Angle Line Display

Topic 35

Length and Ratio to Bottom Length, Whole Numbers - Right Angle Line Display

Topic 36

Length and Ratio to Bottom Length, Whole Numbers - Right Angle Line Display

Topic 37

Both Lengths to Ratio, Whole Numbers - Angle Line Display

Topic 38

Length and Ratio to Top Length, Whole Numbers - Angle Line Display

Topic 39

Length and Ratio to Top Length, Whole Numbers - Angle Line Display

Topic 40

Length and Ratio to Bottom Length, Whole Numbers - Angle Line Display

Topic 41

Length and Ratio to Bottom Length, Whole Numbers - Angle Line Display

Topic 42

Length and Ratio to Top Length, Whole Numbers - Number Only Display

Topic 43

Length and Ratio to Top Length, Whole Numbers - Number Only Display

Topic 44

Length and Ratio to Bottom Length, Whole Numbers - Number Only Display

Topic 45

Length and Ratio to Bottom Length, Whole Numbers - Number Only Display

Topic 46

Labeling of Sides - First Time

Topic 47

Labeling of Sides

Topic 48

Labeling of Sides, Reversed

Topic 49

Labeling of Side Ratios - First Time

Topic 50

Labeling of Side Ratios

Topic 51

Labeling of Side Ratios, Reversed

Topic 52

SOHCAHTOA Acronym - First Time

Topic 53

SOHCAHTOA Acronym - Details

Topic 54

Trig Identities with SOHCAHTOA

Topic 55

Trig Identities with SOHCAHTOA, Reversed

Topic 56

Trig Identities in Variable Ratios

Topic 57

Select Trig Identity from Variable Ratios

Topic 58

Ratios of Lengths - Length and Ratio to Top Length, Whole Numbers - Number Only Display (Level 2)

Topic 44

This math topic focuses on practicing the calculation of ratios of lengths within the broader context of introductory trigonometry. Learners are tasked with solving for specific line lengths, based on given diagrams in a series of seven questions. Each problem provides a set of possible answers as whole numbers, reinforcing concepts of ratios and basic trigonometry computations. The aim is to enhance the understanding of how lengths and ratios interrelate, critical for foundational trigonometry skills.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

View Unit

Length and Ratio to Top Length, Whole Numbers - Number Only Display

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.


Solve for the length of line r

rb=0.25r=?b=16
Ratios of Lengths - Length and Ratio to Top Length, Whole Numbers - Number Only Display (Level 2) - Mobius Math