Question

construct an equilateral triangle of side 4.5 cm. this item belongs to: A: knowledge objective. B: skil objective

Answer 1

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Take any point L on this line

Construct perpendicular AL on PQ. Now we will cut a line segment AD from D equal to 4.5 cm

Make angles equal to 30° at

A on both sides of AD, say ∠CAD

and ∠BAD where B and C lie on XY.

Then, ABC is the required triangle.Justification

Since ∠A = 30° + 30° = 60° and AL ⊥ BC,

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