IDNLearn.com offers expert insights and community wisdom to answer your queries. Discover comprehensive answers to your questions from our community of experienced professionals.
Answer:
27 cm.
Step-by-step explanation:
Area = base * height
45 = 7.5 * h
h = 45/7.5
= 6 cm.
So the perimeter
= 2(base + h)
= 2(7.5 + 6)
= 27 cm.