Find the perimeter and area of the figure.
5 m
12 m
The perimeter is
meters.
The area is
square meters.

p=30

a=30

Step-by-step explanation:

use pythagorean theorem to find the third side (you can use this bc its a right triangle)

5^2 + 12^2 = c^2

25+144=c^2

169=c^2

13=c

perimeter = 5 + 12 + 13 = 30

using heron's formula where s equals half the perimeter =15

square root[s(s-a)(s-b)(s-c)]

square root[15(15-5)(15-12)(15-13)]

square root[15(10)(3)(2)]

square root[900]

30

250

step-by-step explanation:

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18