Question

Find the perimeter and area of a right triangle if the shortest side is 12 cm and the longest side is 20 cm. Include correct units with each part of your solution.

Answer 1

area is just \[\frac {bh}2\]
base is 12 and height is 20

Answer 2

Do i multiply?

Answer 3

yes

Answer 4

240?

Answer 5

now divide by 2

Answer 6

120

Answer 7

that's your area now

Answer 8

to solve for perimeter...
\[P = b + h + \sqrt{b^2 + h^2}\]

Answer 9

Help?

Answer 10

again... b is 12 and h is 20

Answer 11

just substitute

Answer 12

P=b+h+b^2+h^2

12+16+20=48 cm.

Sides are 12,16,20

Answer 13

wait...im checking....

Answer 14

how did you get 16?