Question

In a Right Angled Triangle ABC where angle A= 90° and AB=AC. What is measure of angle B ? OR If two adjacent angles on a straight line are in the ratio 1 : 3, find the measure of Smaller angle. *
1 point
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Answer 1

Answer:

45°

Step-by-step explanation:

if two sides of a triangle is equal then the two angles will be also equal.

so

let the angle x°

90+x+x=180

2x=90

x=45°

next question

as it is a straight line we can say that

1x+3x=180

4x=180

x=45