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Mathematics

1 answer:

SVETLANKA909090 [29]2 years ago

3 0

Answer:

125°

Step-by-step explanation:

We are given two angles of the triangle as 25° and 30°. We also know that the angle sum property of a triangle states that the sum of all angles is 180°. Let the unknown angle be x. Thus let's equate it

25° + 30° + x = 180°

This becomes 55° + x = 180°.

Therefore x = 180° - 55°

We get x = 125°

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The length of each side of a regular pentagon is increased by 8 inches, so the perimeter is now 65 inches. What is the original

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