The diagonal of a rhombus measure 80 cm and 18 cm.
Find its perimeter.
(A) 16.4 cm
(B) 164 cm
(C) 154 cm
(D) 15.4 cm
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Answer:
(B) 164 cm
Step-by-step explanation:
P = 4a
a = √p²+q² / 2
Solving for P
P = 2√p²+ q² = 2·√80² + 18² = 164cm
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