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    Geometry and Trigonometry Essentials

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    Core shapes, theorems, and trigonometry tools for problem solving and intuition.

    11 content steps
    4 quizzes
    ~225 minutes
    Popular

    Journey Overview

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    Journey Steps

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    1

    Content Step 1

    Content
    Angles, triangles, and similarity
    2

    Content Step 2

    Content
    The Pythagorean theorem and distance
    3

    Content Step 3

    Content
    Circles: chords, tangents, and arcs
    4

    Quiz 4

    Quiz
    Checkpoint Quiz
    5

    Content Step 5

    Content
    Area, perimeter, and surface area/volume
    6

    Content Step 6

    Content
    Coordinate geometry and transformations
    7

    Content Step 7

    Content
    Unit circle and radian measure
    8

    Quiz 8

    Quiz
    Checkpoint Quiz
    9

    Content Step 9

    Content
    Sine, cosine, tangent and right‑triangle trig
    10

    Content Step 10

    Content
    Graphing trig functions and amplitude/phase
    11

    Content Step 11

    Content
    Trig identities and simplifying expressions
    12

    Quiz 12

    Quiz
    Checkpoint Quiz
    13

    Content Step 13

    Content
    Law of sines and law of cosines
    14

    Content Step 14

    Content
    Applications: waves, rotations, and triangles
    15

    Quiz 15

    Quiz
    Checkpoint Quiz

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