Question

the three angles of quadrilaterals are 110*,71*and 70*.find the fourth angle​

Answer 1

Answer:

109°

Step-by-step explanation:

By angle sum property, sun of all angles of a quadrilateral is 360°.

let the fourth angle be x.

=>110°+71°+70°+x=360°

=>110°+71°+70°+x=360°=>x=360°-251°

=>110°+71°+70°+x=360°=>x=360°-251°=>x=10

So, fourth angle of the quadrilateral is 109°.