(1/2)(n-4)-3=3-(2n+3)
n = 2
but if it is
(n-4)-3=3-(2n+3)
n = 7/3
Answer:
306mm²
Step-by-step explanation:
the height h = 86/2 -34 = 43-34=9mm
the area = 34×9= 306mm²
a. 5
b. -5
c. 13
d. -5
e. -13
f. 13
g. 5
h. -13