TSI STUDY GUIDE | Actual Questions and Answers Latest
Updated 2026/2027 (Graded A+)
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Area of a triangle
- ✔✔A=1/2bh
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Pythagorean Theorem
- ✔✔a²+b²=c²
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circumference
- ✔✔the perimeter of a circle
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radius
- ✔✔1/2 the diameter
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pi
- ✔✔3.14
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Area of a circle
- ✔✔A=πr²
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Finding circumference
- ✔✔π=c/d = π(d)=c
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perimerter
- ✔✔the distance around a shape
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area
- ✔✔Length x Width or Base x Height
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Area of a trapezoid
- ✔✔A=1/2(b1+b2)h
•
Area of a rhombus
- ✔✔Bh
Updated 2026/2027 (Graded A+)
•
Area of a triangle
- ✔✔A=1/2bh
•
Pythagorean Theorem
- ✔✔a²+b²=c²
•
circumference
- ✔✔the perimeter of a circle
•
radius
- ✔✔1/2 the diameter
•
pi
- ✔✔3.14
•
Area of a circle
- ✔✔A=πr²
•
Finding circumference
- ✔✔π=c/d = π(d)=c
•
perimerter
- ✔✔the distance around a shape
•
area
- ✔✔Length x Width or Base x Height
•
Area of a trapezoid
- ✔✔A=1/2(b1+b2)h
•
Area of a rhombus
- ✔✔Bh