Ask question

Ask question

All categories

2 years ago

9

please help! find the scale factor and ratio of perimeters for a pair of similar octagons with areas 64ftsq and 81ftsq. i need t

he scale factor and the ratio of the perimeters!

1 answer:

kati45 [8]2 years ago

4 0

Answer:

the scale factor and the ratio of their perimeters is 8/9

Step-by-step explanation:

k^2=area 1/area 2

k^2=64/81

=square root if k^2=square root of 64/81

=<u>k</u><u>=</u><u>8</u><u>/</u><u>9</u>

You might be interested in

What is the next term in this geometric sequence<br>5/6,5/9,10/27,20/81

Ghella [55]

$a_1=\frac{5}{6};\ a_2=\frac{5}{9};\ a_3=\frac{10}{27};\ a_4=\frac{20}{81}\\\\\\q=a_2:a_1\\\\q=\frac{5}{9}:\frac{5}{6}=\frac{5}{9}\cdot\frac{6}{5}=\frac{2}{3}\\\\\\a_5=a_4\cdot q\\\\a_5=\frac{20}{81}\cdot\frac{2}{3}=\frac{40}{243}\to answer$

3 0

3 years ago

Read 2 more answers

the temperature 0 F ,3 F ,6 F ,5 F,and -1 F have also been recorded in florida .graph these temperature on the number line .

Brut [27]

-1F, 0F, 3F, 5F, 6F Think of this as a normal number line -3 -2 -1 0 1 2 3
hope this helped

4 0

3 years ago

I need helpppppppp I don’t like remainders :/

den301095 [7]

Answer:

The correct answer is 67 9/11

4 0

2 years ago

Read 2 more answers

Solve the equation for the unknown variable b³ = 5,832

Llana [10]

All you would need to do for this equation is take the cubed root of 5,832

the answer ends up being b=18

8 0

3 years ago

A shop needs to mail 77 checks to the bank if they put 4checks in each envelope how many checks will be in the final envelope

andreev551 [17]

You have to divide 77 by 4 and then the reminder will be 1 so only one check will be there in the final envelop.

7 0

3 years ago

Read 2 more answers