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primary 6 | Maths
| Measurement
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Date Posted: 3 years ago
Views: 328
∠SQR = 180° - 2×80° = 20° (Ans)
Both parallelograms are identical. Hence, SQ = RQ. Triangle SQR is isosceles.
∠QRS = 180° - 100° = 80° (int. ∠s of parallelogram).
∠SQR = 180° - 2 (80°) = 20° (∠sum of isosceles triangle).
∠QRS = 180° - 100° = 80° (int. ∠s of parallelogram).
∠SQR = 180° - 2 (80°) = 20° (∠sum of isosceles triangle).
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