Question

help pls? the area of a triangle whose altitude is 8 more than its base lenght x

Answer 1

right angle triangle?

Answer 2

\[area= \frac{ 1 }{ 2 } base \times hieght\]
therefore,
\[area= \frac{ 1 }{ 2 } (x) \times (x+8)\]
\[area=\frac{ 1 }{ 2 }x ^{2} +4x\]