simplybolah simplybolah
  • 14-10-2019
  • Mathematics
contestada

the three angles of a triangle are in the ratio of 2:3:5. calculate the size of the biggest angle.​

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cinigigi
cinigigi cinigigi
  • 14-10-2019

Answer:

80°

Step-by-step explanation:

The sum of the angles of a triangle is always 180°.

∴ 2x + 3x + 5x = 180°

                  10x = 180°

                     x = 180 / 10

                     x = 18

The biggest angle = 5x

                              = 5 * 18

                              = 90°

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