Area of a triangle is 1/2 x base x height.
base = 12
Height = x+6
Area = 1/2 * 12 * x+6
Area = 1/2 * 12x * 72
Area = 6x + 36
Perimeter is the sum of the 3 sides:
x-7 + 12 + 2x+5
3x -2 + 12
3x+10
The last choice is the correct answer.
Answer:
Step-by-step explanation:
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then x = 2.
4 multiplied by 2 = 8
8 divided by 2 equals 4
Putting it together:
4(2)/2=4
A
x. y = 28
check attachment
