# A picture frame is shaped as a heptagon. The measure of one angle is 144°. The remaining interior angles are congruent. What is the measure of each remaining interior angle in the picture frame?

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The measure of each remaining interior angle in the heptagonal picture frame is 128.57°.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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- The sides AB,BC,CA of a triangle ABC have 3,4,5 interior points respectively on them. Find the total number of triangles that can be constructed by using these points as vertices ?
- Start with #DeltaOAU#, with #bar(OA) = a# , extend #bar(OU)# in such a way that #bar(UB) = b#, with #B# on #bar(OU)#. Construct a parallel line to #bar(UA)# intersecting #bar(OA)# at C. Show that, #bar(AC) = ab#?
- In a triangle ABC, if angle B is obtuse, what types of angles can angles A and C be?
- How do you find the complement and supplement of #115^@#?

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