What type of angle is ∠DEA ? straight acute obtuse right
2 answers:
Answer:
C. Obtuse.
Step-by-step explanation:
We have been given a diagram. We are asked to find the type of angle DEA.
We can see that angle DEA and angle CEA forms a linear pair of angle, so they are supplementary. We can represent this information in an equation as:
Since measure of angle DEA is 103 degrees, therefore, angle DEA is an obtuse angle.
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This is an arithmetic sequence (graph is a line), so function:
a(n) = First term + (n-1) * Common Difference
Here First term = 42 and Common difference = 34 - 36 = -2 so
Answer B.
a(n) = First term + (n-1) * Common Difference
Here First term = 42 and Common difference = 34 - 36 = -2 so
Answer B.