Answer:
Step-by-step explanation:
<u>Use formula:</u>
- A = 1/2 Pa, where P-perimeter of the polygon, a- apothem
1)
- A = 1/2(7*13.9)(14.4) = 700.56 ≈ 700.6
Correct choice is B
2)
Correct choice is A
The answer is true!
explaination: hope this helped
Answer= -54
-2(bx-5)=16
If b is 3, then it changes to -2(3x-5)=16
We want to find x, right? Then we must do -2•3x and -2(-5). The result would be -6x and 10.
Then again, the equation would change -6x+10=16
Which would be -6x=6
Is x=6/6
And then x would be 1
Please tell me what I did wrong and if it is wrong, comment on this and I’ll fix my mistake!^^
Answer:
144 units²
Step-by-step explanation:
The net of the right triangular prism consists of 3 rectangles and 2 equal triangles
Let's solve for the area of each:
✔️Area of rectangle 1 = L*W
L = 11
W = 3
Area of rectangle 1 = 11*3 = 33 units²
✔️Area of rectangle 2 = L*W
L = 11
W = 4
Area of rectangle 2 = 11*4 = 44 units²
✔️Area of rectangle 3 = L*W
L = 11
W = 5
Area of rectangle 3 = 11*5 = 55 units²
✔️Area of the two triangles = 2(½*base*height)
base = 4
height = 3
Area of the two traingles = 2(½*4*3)
= 12 units²
✔️Surface area of the right triangle = area of rectangle 1 + area of rectangle 2 + area of rectangle 3 + area of the two triangles
= 33 + 44 + 55 + 12
= 144 units²
