Clue: The angle subtended at the centre of a circle is twice that subtended at its arc.
Answer:
Step-by-step explanation:
The legs and hypotnuse of a triangle can easily be solved by using

with this in mind we can plug in the legs and hypotenuse of the triangle to solve for the missing leg, A.

Hope this helps,
H.M.
Answer:
9
Step-by-step explanation:ratios
Shouldn’t it be 60? Think about it, six times the foot wide in in the paining plus 10 times the foot width on the wall
The angle B will be equal to ∠B=53.13 degrees.
<h3>What is the triangle?</h3>
Triangle is a shape made of three sides in a two-dimensional plane. the sum of the three angles is 180 degrees.
It is given that:-
Three sides of the triangle are:- a= 3, b=4 and c =5
The angle B will be calculated by the following formula;-

∠B=53.13 degrees
Hence the angle B will be equal to ∠B=53.13 degrees.
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