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Maths CBSE Live product
Class 8
We Distribute, Yet Things Multiply
Problems on patterm
2.
Find the remaining area
Question:
2
m.
From a square of side length \(t + j\) \(cm\), a small square of length \(j\) \(cm\) is cut from a corner. Find the remaining area.
Answer:
The identity used to find the area of the bigger square is ________.
a
+
b
2
=
a
2
+
2
ab
+
b
2
a
−
b
2
=
a
2
−
2
ab
+
b
2
a
+
b
2
=
a
2
+
4ab
+
b
2
a
+
b
2
=
a
2
+
ab
+
b
2
The remaining area is ________.
t
2
+
4
t
j
t
2
+
2
t
j
j
2
+
4
t
j
j
2
+
2
t
j
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