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Maths CBSE Live product
Class 8 (2026-27)
We distribute yet things multiply
Mind the mistake mend the mistake
4.
Find the remaining area
Question:
2
m.
From a square of side length \(a + q\) \(cm\), a small square of length \(q\) \(cm\) 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
+
ab
+
b
2
a
−
b
2
=
a
2
−
2
ab
+
b
2
a
+
b
2
=
a
2
+
4ab
+
b
2
The remaining area is ________.
a
2
+
2
a
q
a
2
+
4
a
q
q
2
+
4
a
q
q
2
+
2
a
q
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