Question

Find the missing angle in each triangle.
(a)
A
(b)
Р
90°
40°
? &c
B
Сyj
​

Answer 1

Answer:

Let missing angle be x

Using angle sum property

90 + 40 + x = 180

x = 180 - 130

x = 50

Answer 2

Answer:

$x = 50$

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