Question

which is the standard unit of length​

Answer 1

metre (m) is the correct answer...

Answer 2

Answer:

$\huge\star\underbrace{\mathtt\red{⫷❥ᴀ᭄} \mathtt\green{n~ }\mathtt\blue{ §} \mathtt\purple{₩}\mathtt\orange{Σ} \mathtt\pink{R⫸}}\star\:$

Step-by-step explanation:

→Metre(m) is the S.I of unit of measuring length.

☞So metre(m) is the required answer.

HOPE IT HELPS.