Answer:
222 cm
Step-by-step explanation:
To find the area of the square we multiply length and height.
15x12 = 180
For the triangular part of the trapezoid we multiply height by width and divide by 2.
12x7 = 84 / 2 = 42
Add the two sums and we get 222 cm.
180 + 42 = 222
Answer:
450 cubic cm
So 45 probably
Step-by-step explanation:
Formula for volume of rectangular prism:
length·width·height
= 9·5·10
= 450 cm³
Answer:
A square with an area of 49 square inches has a perimeter of 28 inches.
Step-by-step explanation:
The square root of 49, or 7 inches, is then the length of one side. The formula for the perimeter of a square is the sum of all sides. Since all sides are 7 inches, the perimeter is 7 + 7 + 7 + 7, or 28 inches. The area of the square is reported in square inches because inches are multiplied by inches to yield square inches.
Answer:
i beleive its option number 1
Answer:
Step-by-step explanation:
<u>Ratios
</u>
We are given the following relations:
From [3]:
Replacing into [2]:
We can express 63=9*7:
Taking the square root of 9:
Factoring:
Find the ration a:b:
Simplifying: