Learn Math [Form 3]

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This is not a story. This is just an educational book of mine. Haha.

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Chapter 1 - Lesson 1

Start from the beginning

by CutieKittyMe

EXAMPLE 3
In the diagram, PQ is parallel to RS. Determine the value of y.

Solution

Construct a line parallel to PQ and which passes through W.
∴ a = 30° and b = 40°
y = a + b
= 30° + 40°
= 70°

EXAMPLE 4
In the diagram, AB is parallel to CD. Find the value of z.

Solution
Construct a line parallel to AB and which passes through K.
∴ p + 135° = 180° *Interior angles*
p = 45°
q + 145° = 180° *Interior angles*
q = 35°

z = p + q
= 45° + 35°
= 80°

Solve This!
In the diagram, EFGH and FKJ are straight lines. Given that FH = FJ, find the value of x.