Solve the Equation: Find the Value in 94 - △ = 90

To solve this problem, follow these steps:

• Step 1: Understand the given equation $94 - \triangle = 90$. We need to find $\triangle$.
• Step 2: Move terms to isolate $\triangle$:
  Rearrange the equation to: $\triangle = 94 - 90$.
• Step 3: Perform the subtraction: $94 - 90 = 4$.
• Step 4: Therefore, the value of $\triangle$ is $4$.

Thus, the numerical value represented by the triangle is $\mathbf{4}$.