Answer:
Step-by-step explanation:
The formula for the area of a triangle is 
The triangles that can be made is the triangle that has legs 20 and 50 and the triangle that has legs 20 and 10.
Since there are 2 of each triangles, we get:
The answer that fits is the first option.
Volume of a sphere of radius r is
V = (4/3)πr³
r = 9
V = (4/3)π(9³) = 12(9²)π = 972 π
Answer : 972π cubic units
Answer:
Step-by-step explanation:
For problem #1 identify the coordinates of the point of intersection of the two lines. This point is (4, 2), and this is the solution to #1.
In problem #2 the lines never cross, and thus we conclude that there is no solution.
If area of a circle can be expressed by the formula A=πr², where r is the radius of a circle. then √A/π is the radius in terms of the area of the circle.
<h3>What is Circle?</h3>
A circle is a shape consisting of all points in a plane that are at a given distance from a given point, the centre.
Given,
The area of a circle can be expressed by the formula A=πr²
r is the radius of a circle
We need to find the radius in terms of the area of the circle
A=πr²
Divide both sides by π.
A/π=r²
Now take square root on both the sides
√A/π=r
Hence, √A/π is the radius in terms of the area of the circle.
To learn more on Circles click:
brainly.com/question/11833983
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Supplementary angles are those which sum upto 180°
Complementary are those which sum to 90°
so if you know one angle, you can find other.
