Question

(i)
Ifa:b:c=4:5:6, then show that angle C= 2 angle A
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Answer 1

Explanation:

let ratio=x

angles=4x,5x,6x

ANGLES SUM PROPERTY =SUM OF ALL THE 3 ANGELS OF A TRIANGLE IS ALWAYS EQUAL TO 180

4x+5x+6x=180

15x=180

x=180/15=12

4x=4*12=48

5x=5*12=60

6x=6*12=72