Answer:
D. 7 units
Step-by-step explanation:
Using the formula: A= area a= base 1 b= base 2
H = 2 <u> A </u>
a + b
H = 2 <u> 98 </u>
8 + 20
H = 2<u> 98 </u>
28
H = 2( 3.5)
H = 7
a
Hey 11/12 is correct