Problem preview
MF.GM.3 Challenge MF-050-A12-V02

Use area formulas for rectangles, triangles, parallelograms, trapezoids, and composite figures.

Find every matching area representation

Problem

Identify \(\text{every}~\text{card}\) that describes a \(\text{single}~\text{triangle}\) or the formula for the area of a \(\text{single}~\text{triangle}\).

Card 1: \(1/2~\times~b~\times~h\)
Card 2: \(b~\times~h\)
Card 3: a right triangle with legs \(7~\text{cm}\) and \(10~\text{cm}\)
Card 4: a rectangle that is \(14~\text{cm}\) by \(5~\text{cm}\)
Card 5: a composite figure made from \(\text{two}~\text{congruent}~\text{triangles}\), each with base \(6~m\) and height \(9~m\)
Card 6: \((1/2)~\times~(b_{1}~+~b_{2})~\times~h\)
Card 7: a story about covering a triangular garden with base \(12~\text{ft}\) and perpendicular height \(8~\text{ft}\)
Card 8: a parallelogram with base \(11~\text{in}\). and height \(4~\text{in}\).

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Four variants of this problem type
Curriculum context
Standard
MF.GM.3
Category
Geometry and Measurement
Domain
Plane Measurement
Objective
Use area formulas for rectangles, triangles, parallelograms, trapezoids, and composite figures.
Problem type
Find every matching area representation