Answer:
A
Step-by-step explanation:
bc it's the most simple option for roxanne
Given is triangle with base = 10 cm and perpendicular height = 3 cm.
We know the formula for area of triangle is given by :-
Area =
× (Base) × (perpendicular height)
Area =
× (10) × (3)
Area = 
Area = 15 cm²
So, final answer is 15 cm².
.19 thats the answer if you do the problem good luck<span />