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Question
primary 5 | Maths
| Angles & Geometry
One Answer Below
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Date Posted: 2 years ago
Views: 196
Base of △ ABC = AB
AB = EC = 12cm
Height of △ABC = DC
(remember that height is always perpendicular to the base)
= 12 cm ÷ 2
= 6 cm
(Since DC = DE , D is the midpoint of EC. So DC = ½EC)
Area of △ABC = ½ × base × height
= ½ × 12 cm × 6 cm
= 36 cm²
AB = EC = 12cm
Height of △ABC = DC
(remember that height is always perpendicular to the base)
= 12 cm ÷ 2
= 6 cm
(Since DC = DE , D is the midpoint of EC. So DC = ½EC)
Area of △ABC = ½ × base × height
= ½ × 12 cm × 6 cm
= 36 cm²
See 1 Answer
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Hope this helps
Date Posted:
2 years ago
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