33200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
<u> P = 2 (L + B)</u>
Divide each side by 2 : P/2 = L + B
Subtract B from each side: <em>P/2 - B = L</em>
Answer:
5 square root 7
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
75-60=15
15÷75=.20
20 per cent error
Answer:
69.4 degrees.
Step-by-step explanation:
Complementary angles add up to 90 degrees so we have the equation:
4x + 3 + x + 4 = 90
5x + 7 = 90
5x = 83
x = 16.6
The larger angle = 4x + 3
= 4(16.6) + 3
= 69.4 degrees (answer).