Answer:
C) 240
Step-by-step explanation:
b = 20 cm
h = 12 cm
<h3>Area = b . h</h3>
= 20 . 12
= 240 cm²
<h3>#CMIIW</h3>
Answer:
It's choice 2. c = 3 sin 45 / sin 40.
Step by-step explanation:
m< A = 180 - 45-95
= 180 - 140
= 40 degrees.
So by the Sine Rule:
c / sin 45 = 3 / sin A
Cross multiply:
c sin A = 3 sin 45
c = 3 sin 45 / sin 40.
Answer:
85.714%
Step-by-step explanation:
You are essentially solving for the percentage of 12/14. Divide:
12/14 = 0.85714
Change the decimal into a percentage by moving the decimal point to the right two place values:
0.85714 = 85.714%
85.714% is your answer.
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