3 years ago

Please solve this with steps:-4.5=-1.2k

Mathematics

1 answer:

butalik [34]3 years ago

3 0

Answer:

k = 3.75

Step-by-step explanation:

Note the equal sign, what you do to one side, you do to the other. Isolate the variable, k. Divide -1.2 from both sides:

(-4.5)/(-1.2) = (-1.2k)/-1.2

-4.5/-1.2 = k

k = -4.5/-1.2

k = 3.75

3.75 is your answer for k.

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What is the sum of the interior angles of the polygon shown below

DanielleElmas [232]

Answer:

720 degrees.

Step-by-step explanation:

The sum of the interior angles of a convex polygon with n sides is

180(n - 2) degrees.

In this case, n = 6 sides, so the angle sum is

180(6 - 2) = 180(4) = 720 degrees.

The reason this works is that if you draw a diagonal from one vertex to the others (see attached image), you get 2 fewer triangles than the number of sides. Each triangle contains a total of 180 degrees, so the total of all the interior angles is 180(n - 2).