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Mathswatch homework help:
a) Work out the size of angle x.
b) Give reasons for your answer.
I have done A but I would appreciate if someone were to help me answer B. Thanks for any responses! :)

Mathswatch homework help a Work out the size of angle x b Give reasons for your answer I have done A but I would appreciate if someone were to help me answer B class=

Respuesta :

Answer:

see explanation

Step-by-step explanation:

x and 105° are same- side exterior angles and sum to 180° , then

x + 105 = 180 ( subtract 105 from both sides )

x = 75

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