Topic Review Solutions — Triangles & Quadrilaterals

Answers

1. Classify triangles Fluency

   1. Equilateral
   2. Right-angled isosceles
   3. Scalene
   4. Obtuse isosceles

2. Classify quadrilaterals Fluency

   1. Rhombus
   2. Trapezium
   3. Kite
   4. True

3. Missing angles Fluency

   1. 55°
   2. 100°
   3. 65°
   4. 60° each
   5. 85°

4. Area calculations Understanding

   1. 84 cm²
   2. 81 cm²
   3. 6 cm
   4. 87.5 m²

5. Garden problem Problem Solving

   1. 120 m²
   2. 17 m × 10 m
   3. 50 m²