Find the missing side of 2d shapes (square, rectangle, triangle & circle) worksheet with answers for 6th grade math curriculum is available online for free in printable and downloadable (pdf & image) format. Tap on PRINT, PDF or IMAGE button to print or download this grade-6 geometry worksheet to practice how to find the missing side of square, rectangle, triangle & circle by using perimeter or area.
In this sixth grade 2d geometry worksheet, students are required to find the missing side of 2d-shapes such as circle, right angle triangle, rectangle and square by using the area or perimeter formulas. Rearrange the below area and perimeter formulas of 2d-shapes to find the missing side of each shapes in the worksheet.
The below is formulas to find the area of
Square = side x side
Rectangle = length x width
Triangle = 1/2 x base x height
Circle = π r2
The below is formulas to find the perimeter of
Square = 4 x side
Rectangle = 2 x (length + width)
Triangle = side 1 + side 2 + side 3
Circle = 2 π r
Trapezoid = side 1 + side 2 + side 3 + side 4
Parallelogram = side 1 + side 2 + side 3 + side 4
Pentagon = 5 x side
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