All of the following are diagonals of the solid except AS BT AC CQ

Mathematics

1 answer:

Art [367]3 years ago

8 0

Answer:

Step-by-step explanation:

We know that a 'diagonal' is the line segment that joins the two vertices of a figure, where those vertices lie on the opposite edges.

i.e. any line segment that slopes in the figure is called a diagonal.

Now, as we can see from the given figure that line segment AS, BT and CQ are sloping inside the figure and are joining the opposite vertices.

Hence, these three are diagonals.

Whereas, the line segment AC does not slope and also both the vertices A and C lie on the same edge.

Hence, AC is not a diagonal.

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2 years ago

If 9% of a number equals 10, find 90% of that number.

Levart [38]

Answer:

100

Step-by-step explanation:

In this problem 10 represents 9% of a number. So, to find 90% you must multiply 10 by 10. You do this because 9% times 10 equals 90%; therefore, 100 must be 90%.

This can also be proven through cross multiplication. To set up a proportion put the percent over the number like, $\frac{9}{10}=\frac{90}{x}$ . Then cross multiply to get the equation, $9x=900$ . Finally, divide both sides to get x=100.