What is the area of a triangle with the following dimensions: base: 4 inches height: 9 inches?

18 in^2.

Step-by-step explanation:

Area of a triangle = 1/2 * base * height

= 1/2 * 4 * 9

= 1/2 * 36

= 18 in^2.

The correct answer to this is 18 in²

Step-by-step explanation:

Formula of the area of triangles: ½ × b × h = A

In this case it is: ½ × 4 in × 9 in = A = 36 × ½ = 18 in²

square pyramid

step-by-step explanation:

square prism looks like nothing like that

triangular prism has a rectangular base instead of a square base

tetrahedron has a triangular base

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