Question
Download Solution PDFTwo angles of a triangle are equal and the third angle measures 78°. What is the measure of each of the unknown angles?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Angle 1 = Angle 2
Angle 3 = 780
Concept used:
Sum of all angles of a triangle is 1800.
Calculation:
Let, angle 1 = angle 2 = x
now,
x + x + 780 = 1800
2x = 180 - 78
2x = 102
x = 51
Hence, the correct answer is '510'.
Last updated on Jul 16, 2025
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