Answer:
<em>97.5 sq. ft.</em>
Step-by-step explanation:
Im presuming the question asks to find area of the shaded region.
First of all, the total figure is a rectangle. We can write an expression(in words) for the shaded area.
<em>Shaded Area = Area of Rectangle - Area of Small Triangle(White) - Area of Large Triangle(White)</em>
Now, we find respective areas.
Area of rectangle:
length * width = (5+10) * (12) = 15 * 12 = 180
Area of Small Triangle (white):
A = (1/2) * base * height = (1/2) * 5 * (12-3) = (1/2) * 5 * 9 = 22.5
Area of Large Triangle (white):
A = (1/2) * base * height = (1/2) * 10 * (12) = 60
Now, we find area of shaded region:
<em>Shaded Area = Area of Rectangle - Area of Small Triangle(White) - Area of Large Triangle(White)</em>
<em>Shaded Area = 180 - 22.5 - 60 = 97.5 sq. ft.</em>
1/2:5
1:10
2:20
The actual length of the room is 20 feet.
Answer:
Step-by-step explanation:
x + 2(-x+ 4) = 8
x - 2x - 8 = 8
-x - 8 = 8
-x = 16
x = -16
y = 16 + 4 = 20
(-16, 20)
Answer:
1. − 5/4
2. 77/3
Step-by-step explanation:
SO SORRY IF THIS IS WRONG!! T^T