Jason designed an arch made of wrought iron for the top of a mall entrance. The 11 segments between the two concentric circles a re each 1.25 m long. Find the total length of wrought iron used to make the structure. Round the answer to the nearest meter.
2 answers:
Answer:
57 m
Step-by-step explanation:
Diameter of the bigger semi-circle is 15 m
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Given:
Answer:
405
Step-by-step explanation:
r sequence= 5,15,45,135
d sequence:=10,30,90,270
r ratio is the Radio
d ratio is de Diameter
2*r=d
5*2=10, 15*2=30, 45*2=90, 135*2=270
to complete the sequence:
r+d= next r and continue
5+10=15
15+30=45
45+90=135
135+270=405
Answer:
1,5,25,125,
all can be added or multiplied to equal 125
