Question

construct ∆PQR angle Q=angle R=70° and PQ+QR+PR=12cm​

Answer 1

Answer:

65cm

होप इतस हेल्प यू बाय

Answer 2

Answer:

triangle three angle =180

given r=70

and p=90

then angle Q=

total180=angle r+angle p +angel q

180=90+70+angleQ

180= 160 +angel Q

anleQ= 180-160

angel Q=20