Correct Answer: Option D

Explanation

Let the fifth interior angle be y: sum of interior angle of a pentagon

= (2 x 5 - 4) x 90^o

= 6 x 90^o

= 540^o

(90 - x) + (90 + x) + (110 - 2x) + (110 + 2x) + y = 540^o

400^o + y = 540^o

y = 540 - 400^o

y = 140^o

• If the power of a lens is +2.5D. Calculate the radius of curvature (a). 80cm (b). 40cm (c). 25cm (d).... Answer this

  1 Answers   ·   Physics   ·   3 days ago
• Subjects to learn under petroleum engineering? Answer this

  1 Answers   ·   3 days ago
• what is the cut of mark for medical doctor in university and list all the university? Answer this

  1 Answers   ·   1 day ago