The triangle will be enlarged by a scale factor of 10. mc018-1.jpg What will be the area of the new triangle? 35 square cm 700 square cm 3,500 square cm 7,000 square cm

The original area is
A₁ = (1/2)*10*7 = 35 cm²

When scaled by a factor of 10, the base of the triangle is 100 cm and the height is 70 cm.
The new area is
A₂ = (1/2)*100*70 = 3500 cm²

Answer: 3500 cm²