Area of Polygons & Composites
Pre-Algebra · Flashcards
PRE-ALGEBRA · FLASHCARDS
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QUESTION
What is the area of a rhombus with diagonals 18 cm and 24 cm?
QUESTION
What is the formula for the area of a parallelogram?
QUESTION
What is the formula for the area of a rhombus with diagonals
d
1
d_1
d
1
and
d
2
d_2
d
2
?
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ANSWER
A
=
d
1
d
2
2
A = \frac{d_1 d_2}{2}
A
=
2
d
1
d
2
. The diagonals split it into four congruent right triangles.
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