Book Maths Puzzle Algebra

two consecutive integers are added the square of their sum is 361, what are the integers?

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Book Other Question

What are the keysteps to prove the following geometry problem?



FIND THE RADIUS OF THE CIRCLE INSCRIBED IN THE TRIANGLE ABC.

GIVEN: AC=BC=12 AB=8
If an aircraft pilot wishes to fly to a city that is N20'E of the airport. A wind is blowing at 60KM /hour from the northwest. If the airplane has a cruising speed of 520 km/hour?