They made 12 because 7 plus 5 equals 12
Answer:
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Step-by-step explanation:
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Answer:
11
Step-by-step explanation:
You are adding 2 every time:
1+2=3
3+2=5
5+2=7
7+2=9
9+2=11
Answer:
Short leg = 10
Longer leg = 10
Hypotenuse = 20
Step-by-step explanation:
The given is a special right triangle, its angle measures are as follows:
30-60-90 and the side lengths will follow as:
x, x, 2x respectively.
The length of hypotenuse (sees angle measure 90) is represented with 2x and it's given as 20
We can conclude x = 10 from this
So the length of short leg is 10
Then the length of longer leg is 10
The length of hypotenuse is already given as 20
10. is f 11. is a I dont know for 12 though