Which command not found -(termux)

[BenVella]

Downloading Google Cloud SDK install script: https://dl.google.com/dl/cloudsdk/channels/rapid/install_google_cloud_sdk.bash
################################################# 100.0%
Running install script from: /data/data/com.termux/files/usr/tmp/tmp.r66Qzf1Msy/install_google_cloud_sdk.bash
which curl
/data/data/com.termux/files/usr/tmp/tmp.r66Qzf1Msy/install_google_cloud_sdk.bash: line 135: 
which: command not found
which wget
/data/data/com.termux/files/usr/tmp/tmp.r66Qzf1Msy/install_google_cloud_sdk.bash: line 135: which: command not found
Either curl or wget must be installed to download files.

  [+] Open a new session/terminal , Restart the script & Select option 3 from menu to Authorize G-Cloud

Which works fine when ran out side of script. The same error occurs whenever I run sdk.sh from google sdk and was hoping this project would resolve it, but no luck.