Answer:
D. 156°
Step-by-step explanation:
<DEF = 78
arc DEF = 2 x 78 = 156°
Answer:
Length of the rectangle = 16.5 feet
Step-by-step explanation:
Border length bought = 62.5 feet
Including 5 feet extra
Border length needed = 62.5 feet - 5 feet
= 57.5 feet
Border needed = perimeter of the rectangle = 57.5 feet
Width of the rectangle = 12.25 feet
Length of the rectangle = x feet
Perimeter of a rectangle = 2(Length + width)
57.5 =2(x + 12.25)
57.5 = 2x + 24.5
57.5 - 24.5 = 2x
33 = 2x
x = 33/2
x = 16.5 feet
Length of the rectangle = 16.5 feet
Answer:
gordan types 60 words per minute
Step-by-step explanation:
divide the number of words (1,620) by the number of minutes (27) to get the answer.
Answer:
21.4 m²
Step-by-step explanation:
To find the surface area of this whole triangular prism, we have to look at the bases (the triangles), find their surface area, then look at the sides (the rectangles) and find theirs.
Let's start with the triangles. The area of any triangle is . The base of this triangle is 2m (because there are 2 one meters) and the height is 1.7m.
So the area of one of these triangles is 1.7m. Multiplying this by two, because there are two triangles in this prism:
Now let's find the area of the sides.
The side lengths are 2 and 3, so
, and there are 3 sides (including the bottom/floor) so .
Now we add.
m².
Hope this helped!
Answer:
23
Step-by-step explanation:
put the numbers in numerical order and then cross off on both sides until there is only one number left (look at the process below!)
9,14,16,18,23,25,26,26,30
14,16,18,23,25,26,26
16,18,23,25,26
18,23,25
23