What statement is true about these two triangles?
1 answer:
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Answer:
A model with 4 shaded sections and 6 unshaded sections.
A model with 40 shaded sections and 60 unshaded sections.
Step-by-step explanation:
Required:
Which models shows 40%
(a) 4 shaded and 6 unshaded
First, we calculate the total sections
The percentage of the shaded section is:
(b) 40 shaded and 60 unshaded
First, we calculate the total sections
The percentage of the shaded section is:
(c) 2 shaded and 8 unshaded
First, we calculate the total sections
The percentage of the shaded section is:
<em>Hence, (a) and (b) shows 40%</em>
Answer: 10 units.
Step-by-step explanation:
The equation of the circle in Center-radius form is:
Where the center is (h,k) and "r" is the radius.
The equation of the circle given is:
You can observe that is written in Center-radius form.
Then, you can identify that:
Knowing this, you need to solve for "r" to find the lenght of the radius.
This is:
Therefore, the lenght of the radius is 10 units.