Answer:
21 cm²
Step-by-step explanation:
A = (b + B)×h/2
= (5 + 9)×3/2
= 14×3/2
= 7×3
= 21 cm²
The median would stay the same
Answer:
less
Step-by-step explanation:
first you would multiply and get 4/8, which simplifies to 1/2, which would be 2/4, which is less than 3/4
280 is the answer ///////////////////////////////////
