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Byju's Answer
Standard VIII
Mathematics
Multiplication of a Monomial and a Binomial
What is the a...
Question
What is the area of the rectangle having a length of (2a + b) cm and breadth of b cm?
A
(
2
a
b
+
b
)
c
m
2
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B
(
2
a
b
2
+
b
)
c
m
2
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C
(
2
a
2
b
+
b
)
c
m
2
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D
(
2
a
b
+
b
2
)
c
m
2
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Solution
The correct option is
D
(
2
a
b
+
b
2
)
c
m
2
Given,
Length of the rectangle
=
2
a
+
b
cm
Breadth of the rectangle
=
b
cm
Area of the rectangle
=
l
e
n
g
t
h
×
b
r
e
a
d
t
h
=
(
2
a
+
b
)
×
b
=
(
2
a
b
+
b
2
)
c
m
2
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0
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What is the area of the rectangle having a length of (2a + b) cm and breadth of b cm?
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(
i
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c
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