Question

calculate the unknown side of a triangle 20 cm 12 cm ​

Answer 1

Answer:

148

Step-by-step explanation:

20+12+x= 180

32+x= 180

X= 180-32(transporting)

X= 148

Answer 2

Answer:

20 + 12 +x = 180 (some of angle)

Step-by-step explanation:

32+ x = 180

x=180 - 32

x = 148