Answer:
subtract 1 then divide 2
Step-by-step explanation:
Yes, no x values repeated
To find perimeter you add up all the sides so 5cm+6cm+17cm+8cm. This will get you 36cm.
Triangle area = (1/2) base * height
60 = 3.5 * base
base = 60 / 3.5
base =
<span>
<span>
<span>
17.1428571429
</span>
</span>
</span>
