Question:

Give the order of rotational symmetry for each figure:

CBSE Class VII

Updated On: Dec 6, 2023

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Solution and Explanation

(a) The given figure has its rotational symmetry as 2.

(b) The given figure has its rotational symmetry as 2.

(c) The given figure has its rotational symmetry as 3.

(d) The given figure has its rotational symmetry as 4.

(e) The given figure has its rotational symmetry as 4.

(f) The given figure has its rotational symmetry as 5.

(g) The given figure has its rotational symmetry as 6.

(h) The given figure has its rotational symmetry as 3.

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So No	Base	Height	Area of parallelogram
a.	20 cm	-	246 \(cm^2\)
b.	-	15 cm	154.5 \(cm^2\)
c.	-	8.4 cm	48.72 \(cm^2\)
d.	15.6 cm	-	16.38 \(cm^2\)

Base	Height	Area of triangle
15 cm	-	87 \(cm^2\)
-	31.4 mm	1256 \(mm^2\)
22 cm	-	170.5 \(cm^2\)

So No	Base	Height	Area of parallelogram
a.	20 cm	-	246 \(cm^2\)
b.	-	15 cm	154.5 \(cm^2\)
c.	-	8.4 cm	48.72 \(cm^2\)
d.	15.6 cm	-	16.38 \(cm^2\)

Base	Height	Area of triangle
15 cm	-	87 \(cm^2\)
-	31.4 mm	1256 \(mm^2\)
22 cm	-	170.5 \(cm^2\)

Give the order of rotational symmetry for each figure:

Solution and Explanation

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