Math, asked by reet83, 10 months ago

3x+ 8x+2x-50-5+4+90=360​

Answers

Answered by tperm26cubing
1

Answer:

Step-by-step explanation:

3x-5+8x-15+2x+4+90°=360°

13x+74=360°

13x=360-74

13x=286

x=286/13

x=22

angles of quadrilateral:-

(i) 3x-5=3×22-5

=66-5

=61°

(ii)8x-15=8×22-15

=176-15

= 161°

(iii) 2x+4=2×22+4

= 44+4

=48°

(iv) 90°

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