Priscilla Ng's answer to Hana S.Kumar's Primary 6 Maths Geometry Singapore question.
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Answer for Q12
illustration shows the square is cut along the dotted line and re-arrange to form a rectangle.
illustration shows the square is cut along the dotted line and re-arrange to form a rectangle.
Date Posted:
4 years ago
Alternative :
1 shaded part
= 1 square - 1 quarter circle
= 14cm x 14cm - ¼ x 22/7 x 14cm x 14cm
= 196cm² - 154cm²
= 42cm²
2 shaded parts
= 42cm² x 2
= 84cm²
1 shaded part
= 1 square - 1 quarter circle
= 14cm x 14cm - ¼ x 22/7 x 14cm x 14cm
= 196cm² - 154cm²
= 42cm²
2 shaded parts
= 42cm² x 2
= 84cm²
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