What is the area of this triangle?

a=bh2

54 cm²
90 cm²
108 m²
216 m²

right triangle with height labeled 12 centimeters, base labeled 9 centimeters, and third side labeled 15 centimeters.

the answer would be 54, because you need to multiply the base and height together, which would be 12 and 9, and then divide that answer, which is 108, by 2, to get 54cm^2

its A) 54

Step-by-step explanation:

the base and height is 12 and 9, by following the rule A = bh/2, you multiply 12 and 9, (108), then divide that by 2 to get 54cm^2

knlknlkkn

step-by-step explanation:

the height of the surface increases from the center out to the sides of the road

it is c!