Answer:
12 ft^2
Step-by-step explanation:
48 inches needs to be converted to ft
12 inches = 1 ft
48/12 = 4 ft
36 inches needs to be converted to ft
12 inches = 1 ft
36/12 =3 ft
Find the area
4 ft * 3 ft = 12 ft^2
Answer:
C
Step-by-step explanation:
The triangle is doubled
Answer:
Step-by-step explanation:
Given
Required
Determine an equation that perpendicular to the equation
An equation has the form:
Where
By comparison:
Next, we determine the slope of the new line.
When two lines are perpendicular, the following relation exist:
Substitute 1/5 for m1
The equation of the line is then calculated using:
Where:
and
This gives:
Answer:
23.3 cm
Step-by-step explanation:
use Pythagoras Theorem
length BD= 16²+10²= 356
√356= 18.9 cm
length DH= 30²-18.9²= 542.8
√542.8= 23.3 cm
DH=AE
Hence, AE= 23.3 cm
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