Answer:
40degrees
Step-by-step explanation:
Find the diagram attached
Since the triangle ina semi circle is a right angle, hence <B = 90degrees
Also frm the diagram
<A + <B + <C = 180
<A + 90 + 50 = 180
<A + 140 = 180
<A = 180 - 140
<A = 40degrees
Hence the measure if m<BAC is 40degrees
Factorizing an expression involves writing the expression in simpler forms
The values of z are or
The equation is given as:
Expand the equation
Factorize the expression:
Factor out z - 4
Split
or
Solve for z
or
Hence, the values of z are or
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