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Question
primary 5 | Maths
| Area & Volume
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Date Posted: 4 years ago
Views: 327
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1a. 1/2 ×15 ×6 = 45cm2
1b. Base = 12 +12 or 12×2
= 24 cm
1/2×24×5=60cm2
2a. Base =15-6
=9
Height = 8cm
1/2×9×8 =36cm2
2b.1 white triangle = 1/2×8×8
=32cm2
Length for the rectangle = 8+8 or 8×8
=16 cm
Breathe for the rectangle = 8 cm
Area of the rectangle = L×B
=16×8
=128
Area of the triangle = 128-32-32
=64 cm2
Why i put cm2
Because i am finding the area
1b. Base = 12 +12 or 12×2
= 24 cm
1/2×24×5=60cm2
2a. Base =15-6
=9
Height = 8cm
1/2×9×8 =36cm2
2b.1 white triangle = 1/2×8×8
=32cm2
Length for the rectangle = 8+8 or 8×8
=16 cm
Breathe for the rectangle = 8 cm
Area of the rectangle = L×B
=16×8
=128
Area of the triangle = 128-32-32
=64 cm2
Why i put cm2
Because i am finding the area
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