alleryA rhombus has diagonals 16 cm and 30 cm. What are its area and perimeter?
A240 cm²; 64 cm
B480 cm²; 68 cm
C480 cm²; 92 cm
D240 cm²; 68 cm
Answer & Solution
Correct answer: D. 240 cm²; 68 cm
Area is 16×30/2 = 240 cm²; perpendicular half-diagonals are 8 and15, making each side17 and perimeter68 cm.
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