From the options $60^\circ$ & $36^\circ$, $40^\circ$ & $50^\circ$, $30^\circ$ & $70^\circ$, $80^\circ$ & $20^\circ$, the

Question

From the options $60^\circ$ & $36^\circ$, $40^\circ$ & $50^\circ$, $30^\circ$ & $70^\circ$, $80^\circ$ & $20^\circ$, the valid pair of two acute angles of a right-angled triangle is—

Accepted Answer

$40^\circ$ and $50^\circ$

Answer

$60^\circ$ and $36^\circ$

Answer

$30^\circ$ and $70^\circ$

Answer

$80^\circ$ and $20^\circ$

From the options 60∘60^\circ60∘ & 36∘36^\circ36∘, 40∘40^\circ40∘ & 50∘50^\circ50∘, 30∘30^\circ30∘ & 70∘70^\circ70∘, 80∘80^\circ80∘ & 20∘20^\circ20∘, the valid pair of two acute angles of a right-angled triangle is—

From the options $60^\circ$ & $36^\circ$ , $40^\circ$ & $50^\circ$ , $30^\circ$ & $70^\circ$ , $80^\circ$ & $20^\circ$ , the valid pair of two acute angles of a right-angled triangle is—