Xy - x - y + 1
explanation: distribute (x-1)(y-1) —> x(y-1) - 1 (y-1) —> xy - x - 1(y-1) —> xy - x - y + 1
Answer:
Right angled triangle or Right Triangle
Step-by-step explanation:
triangle that has a 90 angle is known as RIGHT ANGLED TRIANGLE or RIGHT TRIANGLE
Answer:
210 in
Step-by-step explanation: