Respuesta :

answer : 40 square units
step by step :
1- do base x perpendicular height
2- half this answer
explanation : you have to half the answer because otherwise you have found out the rectangle’s area, which is not what the question is asking for

Answer:

40

Step-by-step explanation:

multiply the base and height =    80

divide by 2=    40

pls mark brainliest