Question

Examine whether you can construct ΔDEF such that EF = 7.2 cm, m∠E = 110° and
m∠F = 80°. Justify your answer.

Answer 1

Answer:

In △DEF:

∠E=110∘,∠F=80∘,∠EF=7.2 cm

∠E+∠F+∠D=180∘

∠D=180∘−110∘−80∘

        =−10∘

As angle cannot be negative, so  this △  can not be constructed.

Step-by-step explanation:

hope this answer is correct