Answer:
0650 + 500 = 1150
Step-by-step explanation:
You will need to represent the question on a triangle.
You will actually need a ruler and pencil for drawing along with a good eraser in case you make mistake.
Take your pencil and draw a point X, take ruler and rule a straight line to another point Y and rule another straight line to point Z and finally close it up at point X again.
