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Question

Two complementary angles measures (2x+10)0 and (x+20)0. What is the value of x.
  1. 20o
  2. 25o
  3. 30o
  4. 35o

A
30o
B
25o
C
35o
D
20o
Solution
Verified by Toppr

For complementary angles
(2x+10)o+(x+20)o=90o
3x+30o=90o
3x=60o
x=20o

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