Answer:
h = 9.9
b = 4.6
Explanation:
The first triangle is an isosceles right triangle
The base leg = vertical leg = 7
diagonal = 7√2 = 9.9 (rounded to nearest tenth)
h = 9.9
For the 30-60-90 triangle
if the vertical leg is x, the base leg = vertical leg / √3 = 8/√3 = 4.6
b = 4.6