teresaconway559 teresaconway559

18-04-2018
Mathematics

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Use this figure to calculate the size of ∠EOC.

A. 90°
B. 31°
C. 149°
D. 59°

Use this figure to calculate the size of EOC A 90 B 31 C 149 D 59 class=

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musiclover10045 musiclover10045

18-04-2018

angle AOC is a 90 degree angle

AOC is spli into 2 angles AOE and EOC

AOE is given as 31 degrees
so EOC would be 90 degrees minus 31 degrees

90 -31 = 59

EOC = 59 degrees

the answer would be D.

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