Answer:
30 cm
Step-by-step explanation:
the area is 1/2 base x height
so (1/2)x10 x 12
60 cm squared
The 13 cm is just to distract you.
The formula for calculating a triangle is (base x height)/2.
The base is 10 cm, and the height is 12 cm.
Then you plug in the numbers.
(10 x 12)/2=60 cm squared.
