The length f a rectangle is 3 ties its width, the perimeter of it is 24cm. what is the area of it?
2 answers:
Answer: 27cm²
Step-by-step explanation:
lets take the width as x and length as 3x( since length is 3 times the width)…
Perimeter of the rectangle is 24 cm( 2*(l+b))= 2×(3x+x):24
2×4x=24
8x=24
X( width): 24/8=3cm
Length= 3x: 3*3=9cm
Area of the rectangle: ( l*w)= 9×3: 27cm²
Answer:
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The correct answer is <span> 565 cm^3.
Hope this helps.</span>
Tan x =opposite/ adjacent =9/5
x= arctan(9/5)≈61
