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erinwebsterrr
10.06.2020 •
Mathematics
YEAR 9 MATHS - LINES OF ROTATIONAL SYMMETRY PLEASE HELP ME
Here are nine shapes.
Two of these shapes have rotational symmetry of order 2 and no lines of symmetry.
Which two shapes are they?
(2 marks)
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Ответ:
The answer would be A and E
Ответ:
46
step-by-step explanation:
given
height = 168 cm
formula
height =2.47*f+54.13
solution
168 = 2.47f + 54.13 subtract 54.13 from both sides
168 - 54.13 = 2.47f combine
113.87 = 2.47f divide by 2.47
113.87 / 2.47 = f combine
46.1 = f
answer: 46 cm