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dmarte11092001
04.12.2020 •
Mathematics
Somebody please help me with this
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Ответ:
E and F= 54 Degrees D is 90 degrees
Step-by-step explanation:
Ответ:
C.) 11r² + 8
Step-by-step explanation:
Perimeter is the distance around a shape.
So to find the perimeter, add the lengths of each side:
P = r² + 3 + r² + 4 + 5r² + 2 + 4r² - 1
Solve by addition:
Let's add the whole numbers first:
P = r² + 3 + r² + 4 + 5r² + 2 + 4r² - 1
P = 8 + r² + r² + 5r² + 4r²
Let's add the other terms:
P = 8 + r² + r² + 5r² + 4r²
P = 8 + 11r²
Write in standard form:
P = 11r² + 8