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zaharov [31]
2 years ago
9

Work out the value of angle x

Mathematics
1 answer:
wolverine [178]2 years ago
8 0

Answer:

x = 45°

Step-by-step explanation:

the triangle has 2 congruent sides and is therefore isosceles with the base angles being congruent, both x

the sum of the 3 angles = 180° , then

x + x + 90° = 180° ( subtract 90° from both sides )

2x = 90° ( divide both sides by 2 )

x = 45°

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