What is the measure of Ād in 0 below? A. 800 B. 1000 C260degrees D.280degrees

Mathematics

1 answer:

Andreas93 [3]3 years ago

4 0

I think the answer is C 260 degrees

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A car travels 3 times around a traffic circle whose radius is 80 feet. What is the distance the car will travel? Use 3.14 for π

Harman [31]

Answer : Distance will be 1507.2 feet .

Explanation :

Since we have given that

Radius of circle = 80 feet

So,

Circumference of circle is given by

$2\pi r=2\times 3.14\times 80=502.4 \text{ feet}$

Since , a car travels 3 times around a traffic circle.

So,

$\text{ Distance covered by the car will travel}= 3\times 502.4= 1507.2 \text{ feet }$

So, Distance will be 1507.2 feet .

5 0

3 years ago

Aaron says that all

Softa [21]

Answer:

Step-by-step explanation:

Look at the figure attached below, we know that the area of the cone is the sum of area of circle part and cone part of the figure.

to find the surface area of the cone, first measure the radius of the base and find the area of the circle part by formula $\pi r^2$ . Then measure the side (slant height) length of the cone part and find the area of the cone part by the formula $\pi rl$ .

Now the surface area of the cone is circumference of the circle plus area of the cone part.

i.e. $surface\ Area\ of\ the\ cone=\pi r^{2}+\pi rl$

From the above discussion we concluded that surface area of the cone does not depend only on the circumference of the base but also we need side length of the cone part as well thus all cones with a base circumference of 8 inches will not have the same surface area.