MATH 110 Exam 3 Complete Review
(2026) | 100% Verified Responses | A+
• rectangle area -✓✓Length x Width = Area
• rectangle perimeter -✓✓Add all sides
• triangle area -✓✓(1/2)bh
{h is the height, or how tall the triangle is.b is the base, or where the height meets a side
of the triangle at a right angle}
• triangle perimeter -✓✓Add all sides
• circle circumference -✓✓2πr
• circle area -✓✓πr²
• parallelogram perimeter -✓✓add all sides
• parallelogram area -✓✓b(h)
• trapezoid area -✓✓1/2(b1+b2)h
• trapezoid perimeter -✓✓add all sides
• heron's formula -✓✓√s(s-a)(s-b)(s-c)
• S from the heron's formula -✓✓1/2(a+b+c)
• pythagorean theorem -✓✓a²+b²=c²
• how to round a decimal to the nearest tenth -✓✓You look at the number after the
tenth place(aka the second place after the decimal point). if the number is 4 or blow,
plus 1 to the tenth place(second place) else, keep the tenth place the same. Keep all
the numbers before the tenth place, or second decimal place. Remove all the number
after the second decimal place.
• rectangular box volume -✓✓L•W•H
• rectangular box surface area -✓✓2lw+2wh+2lh
• cylinder volume -✓✓πr²h
(2026) | 100% Verified Responses | A+
• rectangle area -✓✓Length x Width = Area
• rectangle perimeter -✓✓Add all sides
• triangle area -✓✓(1/2)bh
{h is the height, or how tall the triangle is.b is the base, or where the height meets a side
of the triangle at a right angle}
• triangle perimeter -✓✓Add all sides
• circle circumference -✓✓2πr
• circle area -✓✓πr²
• parallelogram perimeter -✓✓add all sides
• parallelogram area -✓✓b(h)
• trapezoid area -✓✓1/2(b1+b2)h
• trapezoid perimeter -✓✓add all sides
• heron's formula -✓✓√s(s-a)(s-b)(s-c)
• S from the heron's formula -✓✓1/2(a+b+c)
• pythagorean theorem -✓✓a²+b²=c²
• how to round a decimal to the nearest tenth -✓✓You look at the number after the
tenth place(aka the second place after the decimal point). if the number is 4 or blow,
plus 1 to the tenth place(second place) else, keep the tenth place the same. Keep all
the numbers before the tenth place, or second decimal place. Remove all the number
after the second decimal place.
• rectangular box volume -✓✓L•W•H
• rectangular box surface area -✓✓2lw+2wh+2lh
• cylinder volume -✓✓πr²h
