Answer:
x = 3
Step-by-step explanation:
Rhombus RHOM: HM ⊥ RO and HB = BM RB = BO
HB² + RB² = HR²
x² + (x + 1)² = (x + 2)²
x² + x² + 2x + 1 = x² + 4x + 4
x² - 2x - 3 = 0
(x + 1) ( x - 3) = 0
x = -1 ..... not reasonable
x = 3 .... answer
check: 3² + 4² = 25 = 5²
