1) triangle ABC is a right angled triangle.
AB=BC=3cm.
a)What is the measure of <A ?
b)what is the length of AC?
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Answer:
a) 45°
b)
Step-by-step explanation:
a) B=90
because of right angle
A+B+C=180°
A+90+B=180°
A+B=180-90°
A+B=90°
B=45°
b) by Pythagoras theroem
AB²+BC²=AC²
3²+3²=AC²
9+9=AC²
18=AC²
AC=√18
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