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How do I do this ? Urgent

How do I do this ? Urgent-example-1
User JellyBelly
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2 Answers

3 votes
A 45 degrees because it is
User Asif Sheikh
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4 votes

Answer:

a= 45 degrees

Explanation:

all triangles if u add up their degrees equal 180

180-90=90 so the 2 angles together must equal 90

90/2=45

User Jobajuba
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