SAT MATH • ANSWER CHECK
Advanced Triangle Applications
Complete the practice first, then open each answer to check your work. These answers match the revised September 2026 worksheets.
For a wrong answer, identify the cause: concept, algebra, arithmetic, interpretation, calculator choice, or timing. Equivalent exact numerical forms are accepted for these practice exercises.
Question 1
Answer: B
B. 150^(∘)
Question 2
Answer: B
B. 4sqrt(10)
Question 3
Answer: B
B. 1:3
With D on AB, E on AC and F on BC, ED perpendicular to AC gives an inner-to-outer side ratio of 1/√3. Square this to get the area ratio 1:3.
Question 4
Answer: 4√13/3
Question 5
Answer: 25√3
Question 6
Answer: A
A. 10sqrt(2)/3
Question 7
Answer: 16
Question 8
Answer: B
B. 2
Question 9
Answer: B
B. π/4
Question 10
Answer: -4