It'll be at 11:11 when the hands form a obtuse angle.
The two combinations of two-digit numbers we could have would be 79 and 97. The only one of those that would round to 100 is 97. If we added another digit to the number, it would be over 100. The very smallest three digit number we could have with these two numbers in it would be 179; that would not round to 100. That means 97 must be our number.
Answer:
Step-by-step explanation:
cosΘ=sin(90-Θ)
cos(48)=sin(90-48)
cos(48)=sin(42)
Answer and Step-by-step explanation:
1. We can see that this kite-shape has 4 triangles in it.
The area of a triangle is as follows:
Where:
b = Base (length)
h = Height
<u>Top Right Triangle Area:</u>
b = 9
h = 3
A =
A =
<u>Bottom Right Triangle Area:</u>
b = 9
h = 3
A =
A =
<u>Top Left Triangle Area:</u>
b = 4
h = 3
A =
A = 6
<u>Bottom Left Triangle Area:</u>
b = 4
h = 3
A =
A = 6
Now, we add all the areas together to get the area of the kite figure.
A = +
A = 27 + 12
A = 39
<u>The area of the kite figure is 39 </u><u>.</u>
2. We have to find the area of the trapezoid.
(I'm not sure if the 9 is for the entire bottom side length)
- If the bottom side length is 9, then we would use the formula:
A =
to find the area of the entire trapezoid.
A = × 8.2
A ≈ 46.74
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