Shannon exercise for 0.75 hour on Monday wednesday and Friday each week. How many hours will she exercise in 4 weeks
1 answer:
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Answer:
The value of a is 50°.
Step-by-step explanation:
In an isosceles triangle, 2 sides have the same lengths and same angles so we can assume that the other side of the triangle is 65°.
Given that the total angle of a triangle is 180°, so have to subtract it :