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Continue to ChatQ7 Write a program to check whether a triangle is valid or not, when the three angles of the triangle are entered through the keyboard. A triangle is valid if the sum of all the three angles is equal to 180 degrees. https://www.easterscience.com/q7-write-a-program-to-check-whether-a-triangle-is-valid-or-not-when-the-three-angles-of-the-triangle-are-entered-through-the-keyboard-a-triangle-is-valid-if-the-sum-of-all-the-three-angles-is-equal/