Answer:
What? I don't think I can help you. I'm very sorry though.
Step-by-step explanation:
Answer:
Step-by-step explanation:
Surface area is the total surface. So first, find each surface...two triangles, same size and three rectangles, same size.
So you will have to add each....triangle+triangle+rectangle+rectangle+rectangle.
Area of a triangle = 1/2(b)(h) with b=base and h=height
Plug in knowns 1/2(15)(13)=A
Multiply 15X13=195 Then divide by 2. 195/2=97.5
The area of each triangle is 97.5 yd.
Area of a rectangle = (L)(W) with L=Length and W=Width
Plug in knowns (15)(24)=A Now, multiply
15X24=360
The area of each rectangle is 360 yd.
We need to add two triangles for front and back. and three rectangls.
97.5+97.5+360+360+360=1275
Surface area is 1,275 yd.
the length is 3W cm. THerefore, the perimeter is 2*(3W + W) = 8W = 56 So W = 7 cm.
Answer is in the file below
tinyurl.com/wpazsebu
9514 1404 393
Answer:
c. 1150 square units
Step-by-step explanation:
The sum of the two side lengths is half the perimeter, so is 125/2 = 62.5 units. The long side is 4/5 of that, so is 50 units.
The area is the product of the long side and the height to the long side:
A = bh
A = (50 units)(23 units) = 1150 units²
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<em>Additional comment</em>
This geometry is impossible, because the height from the long side cannot be more than the length of the short side. Here, the short side is 12.5 units, so it is not possible for the height to be 23 units.
If the height is measured from the short side, then the area is 287.5 square units.