Right-angled 3511

In a right-angled triangle at vertex C, the alpha angle is 24 degrees smaller than the beta angle to determine the size of the triangle angles.

Correct answer:

A =  33
B =  57

Step-by-step explanation:


A=B-24
A+B=90

A-B = -24
A+B = 90

Row 2 - Row 1 → Row 2
A-B = -24
2B = 114


B = 114/2 = 57
A = -24+B = -24+57 = 33

A = 33
B = 57

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