Answer: 23.25 cm
Step-by-step explanation:
The formula for area of a triangle is A=1/2(b*h). Substitute the values for base and height.
A= 1/2(6*7.75)
Now, solve within the parentheses.
A=1/2(46.5)
Next, multiply 1/2 by 46.5.
A=23.25
Make sure to answer with a unit because it's a word problem.