A mirror is made of two congruent parallelograms as shown in the diagram. The parallelograms have a combined area of 712 square units. If the height of each parallelogram is 113 units, then find the base of each of them.
A
412 units
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B
21310 units
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C
31316 units
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D
21316 units
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Solution
The correct option is D21316 units
Given: Area of two parallelograms =712, Height =113
Area of one parallelogram =7122
712=7×2+12=152
Area of one parallelogram =152×12=154 square units