If a triangle has a base of 10 cm and height of 6 cm, what is its area?

To find the area of a triangle, you can use the formula:

[

\text{Area} = \frac{1}{2} \times \text{base} \times \text{height}

]

In this case, the base of the triangle is 10 cm and the height is 6 cm. Plugging these values into the formula:

[

\text{Area} = \frac{1}{2} \times 10 , \text{cm} \times 6 , \text{cm}

]

[

\text{Area} = \frac{1}{2} \times 60 , \text{cm}^2 = 30 , \text{cm}^2

]

Thus, the area of the triangle is indeed 30 cm². This calculation confirms that the correct answer is B, as it correctly applies the area formula, and the values for base and height are accurately multiplied and halved to arrive at the correct area measurement.