Step-by-step explanation:
Since the triangles are right angled and are similar,
by Pythagoras theorem,
(10√3)^2 = (5√3)^2 + a^2
a = 15, a > 0
Topic: Pythagoras theorem
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Answer:
38+31+43+x=180
Step 1: Simplify both sides of the equation.
38+31+43+x=180
(x)+(38+31+43)=180(Combine Like Terms)
x+112=180
Step 2: Subtract 112 from both sides.
x+112−112=180−112
x=68
Step-by-step explanation:
3/9 is your answer. 3+6=9 and there are 3 red marbles.