Question

LT Grade 7
Instructions
Mathematics
Physics
Chemistry
Biology
End Tes
In a triangle, the measure of one of the angles is 45°. The measures of the other two angles
in the triangle are in the ratio 4:5. What is the measure of the largest angle in the triangle?
800
909
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Answer 1

45+4x+5x=180
9x=135
X=15
So 5x = largest angle = 75