Answer:
Step-by-step explanation:
Perimeter is the total lenght/measure of the lines/boundaries of a figure
Formula for Perimeter
Triangle: P = a + b + c
where a, b and c are the length of each side of the triangle
Square: P = 4s
where s is the length of one side
Rectangle: P = 2(l + w) OR P = 2l + 2w
where l is the length and w is the width
Circle: C = 2πr OR C = πd
where r is the length of the radius while d is the length of the diameter
Trapezoid: P = b1 + b2 + l1 + l2
where b1 and b2 are the length of the bases and l1 and l2
Formula for Area:
Triangle: A = 1/2 bh
where b is the length of the base and h is the height perpendicular to the base
Square: A = s²
Rectangle: A = lw
Circle: A = πr²
where r is the radius
Trapezoid: A = 1/2(a+b)h
where a and b are the length of the bases and h is the perpendicular height
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Answers & Comments
Answer:
Step-by-step explanation:
Perimeter is the total lenght/measure of the lines/boundaries of a figure
Formula for Perimeter
Triangle: P = a + b + c
where a, b and c are the length of each side of the triangle
Square: P = 4s
where s is the length of one side
Rectangle: P = 2(l + w) OR P = 2l + 2w
where l is the length and w is the width
Circle: C = 2πr OR C = πd
where r is the length of the radius while d is the length of the diameter
Trapezoid: P = b1 + b2 + l1 + l2
where b1 and b2 are the length of the bases and l1 and l2
Formula for Area:
Triangle: A = 1/2 bh
where b is the length of the base and h is the height perpendicular to the base
Square: A = s²
where s is the length of one side
Rectangle: A = lw
where l is the length and w is the width
Circle: A = πr²
where r is the radius
Trapezoid: A = 1/2(a+b)h
where a and b are the length of the bases and h is the perpendicular height