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Find the unknown sizes of angles ​

Find the unknown sizes of angles ​-example-1
User Rea
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2 Answers

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Answer: a=60
b=50

Step-by-step explanation: to find (a) use the rule that any angle on the straight line adds up to 180 so when we minus 120 from 180 it comes as 60 therefore (a)= 60
To find (b) it is simple to add both 60 that we found with the 70 and then 180 - (60+70)=50

User Farshid Ashouri
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5 votes

190 is the answer you should add both the side

User Jewel
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