What is the area of the triangle after applying a dilation by a scale factor of 2? describe the effects. 31.5 cm2. the area of the new triangle is equal to the area of the original triangle. 63 cm2. the area of the new triangle is 2 times the area of the original triangle. 126 cm2. the area of the new triangle is 4 times the area of the original triangle. 252 cm2. the area of the new triangle is 8 times the area of the original triangle.