Answer:
Let's consider:
Base = a + 19 cm
a = sqrt(8.5^2 - 6^2) = 6.02
=> Base = 6.02 + 19 = 25.02
=> Area = Base x Height/2 = 25.02 x 6/2 = 75.06 (cm2)
57
Step-by-step explanation:
Honestly, I just put it in the calculator that come up when you type in “area of a triangle”
