alleryStart learning →Two equal triangles join along a side to form a parallelogram of area 90 cm2. What is one triangle's area?
A90 cm2
B45 cm2
C180 cm2
D22.5 cm2
Answer & Solution
Correct answer: B. 45 cm2
Each triangle is half of the parallelogram, so its area is 45 cm2.
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