The length of a rectangle is (3x + 4)cm and its breadth is (x − 5)cm, then find its
area.
Answers
Answered by
4
Answer:
Perimeter = 2(L +b )
94 = 2(3x +4 +4x- 13)
47=7x - 9
56 =7x
x= 8cm
L= 24 +4=28
B= 32-13=19
area = 28×19 cm²
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Answered by
0
Answer:
rea of a rectangule = 3x^2 - 11x -20) cm^2
Step-by-step explanation:
Area of a rectangule = length × breadth
= (3x+4) × (x - 5) cm^2
= (3x^2 -15x +4x -20) cm^2
= (3x^2 - 11x -20) cm^2
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