Question

② A right prism has height 18 cm and its base
is a triangle with sides 5 cm, 8 cm and 12 cm
find lateral surface area (in cm)
​

Answer 1

$\huge{\underline{\underline{\bold{\mathtt{\purple{✍A{\pink{N{\green{S{\blue{W{\red{E{\orange{R✍}}}}}}}}}}}}}}}}$$\huge{\rightarrow}$

• ᴄsᴀ ᴏғ ᴛʀɪᴀɴɢᴜʟᴀʀ ᴘʀɪsᴍ :h(a+b+c)

—» 18 ( 5 + 8 + 12 )

—» 18 ( 25 )

—» 450 cm² .