PSLE Math 2023 Paper 2 Question 8

(Parallelogram & Right-Angled Triangles Angles Question)

The answers below are from our Ten-Year-Series Programme, where our Principal Tutors will be covering the past 10 years of PSLE Math Papers (2014-2023). If you found this helpful and would like detailed video explanations to further aid your understanding, we encourage you to register for our Ten-Year-Series Programme.

The Ten-Year-Series Programme is a part of our Math Bundle, which includes:
1. Ten-Year-Series Programme
2. Math Intensive Camp
3. Mock Exams

The majority of our P6 Students will register for our Last Lap Programme, which includes our Signature Math Programme and the Math Bundle.

To get answers to PSLE Math Paper 1, join our Telegram Channel.

$A promotional poster for Master PSLE Math with The Math Bundle, featuring three programs: PSLE Math Intensive Program, PSLE Math Ten Year Series Program, and PSLE Math Mock Exams. The poster highlights discounts for purchasing all three programs and includes images of study guides and a yellow pencil graphics.$

PSLE Math 2023 Paper 2 Question 8

Notebook page with handwritten math notes and calculations, including angles, geometric rules, and diagrams. Key terms highlighted in purple.

a) ∠w = 180° - 80° = 100° (‘C’ rule) (sum of int ∠s in a triangle = 180°,
CF // GE because CFG is a parallelogram)

b) ∠FCE = 100°
    ∠BCD = 100°
    ∠HCB = 180° - 90° - 23° (sum of ∠s in a triangle = 180°)
     = 67°
    ∠y = 360° - 100° - 100° - 23° - 67° (sum of ∠s at a pt)
           = 70°

c) ∠CHF = 180° - 70° - 25°
= 85°
∠BHC + ∠CHF = 90° + 85°
= 175°
BHF (is/ is not) a straight line because ∠BHC+ ∠CHF (is/ is not) 180°.