Practice Module · Created 260809

Similar Figures &
Right Triangle Trigonometry

A full digital-SAT-style math module built from your workbook problems — timed, calculator-enabled, instantly graded, with hints, concept notes, and similar practice for every question.

22
Questions
35:00
Time Limit
MC
All Multiple Choice
Directions. This module covers similar triangles, scale factors for perimeter/area/volume, and right‑triangle trigonometry. The reference sheet and an on‑screen calculator are available throughout. Choose the best answer for each question — your choice is checked immediately and you may change it any time before you submit. Flag questions to revisit them later using the flag icon. When you're finished, submit to see your estimated score and a review of any questions you missed.
Built for 유진쌤's 26 여름 실전반 · Chapters 6.1–6.3
Similar Figures & Right Triangles
Practice Module · 22 Questions
35:00

Similar Figures

Side ratio
= r
Perimeter ratio
= r
Area ratio
= r²
Volume ratio
= r³

Right Triangles

Pythagorean thm.
a²+b²=c²
sin θ
= opp / hyp
cos θ
= adj / hyp
Co‑function
sinθ=cos(90°−θ)

Special Triangles

30‑60‑90 → sides 1 : √3 : 2
45‑45‑90 → sides 1 : 1 : √2

Area formulas

Triangle
½ · b · h
Trapezoid
½(b₁+b₂)·h
Rt. prism vol.
l·w·h
0 / 22 answered
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