Answer:
According to the question z must be equal to 4. So value of a+b=z or a+b=4
Lets try each of the options
A) a+b
1.6+2.3=3.9 which is not equal to 4
So option a is not the asnwer.
B) a+b = 1.6+2.5= 4.1 which is not equal to 4
<em>C) a+b= 1.9+2.1= 4.00 which is equal to 4</em>
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D) a+b= 2.1+3.4= 5.5 which is not eqaul to 4
<u>Thus, we have OPTION C AS THE CORRECT ANSWER</u>
Answer:
what is this ?? not understanding
Answer:
Obtuse angles measure between 90° and 180°.
<u>In the diagram we have:</u>