Marcynandrew
16.11.2020 •
Mathematics
7. Emma is varnishing the floor of a circular room with diameter 8m. One tin of varnish will cover an area of 3m?. How many tins of varnish will she need to buy to varnish the floor of the room
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Ответ:
a = 16*3.1415/3 = 16.76
Step-by-step explanation:
a =pi*r^2
r =D/2
r = 8/2
r = 4
a = pi*4^2
a=pi16
pi = 3.1416
Ответ:
High moisture and lack of sunlight
precipitation
High moisture and excessive sunlight