Area of a triangle = [tex] \frac{1}{2}bh [/tex]
Area of the scalene right angle = 1/2 x 8 x 6 = 4 x 6 = 24square inches
Area of the two isosceles triangles = 2(1/2 x 10 x 5) = 50 square inches
Total area of the roof = 24 + 50 = 74 square inches.
Therefore, Jackie has enough paint to cover the entire dollhouse.