Step-by-step explanation: b=26cm h Height 15 cm A Area 390 cm² Using the formula A=bh Solving forb b=A h=390 15=26cm Reply
Step-by-step explanation:
b=26cm
h Height
15
cm
A Area
390
cm²
Using the formula
A=bh
Solving forb
b=A
h=390
15=26cm
[tex]base \: = area \div height \\ = 390 \div 15 \\ = 26[/tex] cm