litwork5885
24.08.2019 •
Mathematics
The height of a rhombus is 5 cm. the area is 20 cm².
a) find the measure of the base \
b) find the perimeter of the rhombus
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Ответ:
20 = 1/2b(5)
20 = 2 1/2b
20 × 2/5 = 2/5 × 5/2b
8 = b
P = 4a
P = 4(13)
P = 52cm²
Ответ: