Length and Area

Concept Quizzes

Length and Area Warmup
Perimeter
Triangles - Calculating Area
Area - Rectangles
Circles - Area
Scaling
Geometric Manipulation
Composite Figures - Solving with Algebra
More Composite Figures
Geometry Shortcuts
Length, Area, and Volume
Length and Area - Problem Solving

Challenge Quizzes

Length and Area: Level 1 Challenges
Length and Area: Level 2 Challenges
Length and Area: Level 3 Challenges

Length and Area - Problem Solving

The width of a rectangular conference room table is $3 \mbox{ ft}$ and the area of the conference table's surface is $45 \mbox{ ft}^2$ . What is the length of the conference table (in $\mbox{ft}$ )?

10 15 20 30

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by Brilliant Staff

A square has a side length of 8 inches. What is the area (in inches $^2$ ) of the square?

8 16 32 64

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by Brilliant Staff

$ABCD$ is a rectangle with $AB =200$ and $BC = 480$ . $E$ is a point on $CD$ (possibly extended) such that $AE=EC$ . What is the length of $DE$ ?

260 476 520 676

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by Brilliant Staff

$ABCD$ is a quadrilateral with $\angle ADC = \angle ACD$ , $\angle ACB = \angle ABC$ and $CD = 8$ . If triangles $ADC$ and $ABC$ have perimeters $58$ and $69$ , respectively, what is the value of $BC$ ?

17 18 19 20

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by Brilliant Staff

If $\overline{AC}=10$ , what is the area of square $ABCD$ ?

20 25 50 100

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by Brilliant Staff

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