Activity 5: Let's Do Some Framing Directions: Study the situation below the answer the questions that follow. A rectangular frame has an area of 14 square inches and a perimeter of 18 inches. Find the dimensions of the rectangular frame. The figure below shows how to set up the problem 1 xw = 14 W = ? 21 + 25 = 18 1 = ? Process Questions:
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Answer:
L= 7 in
W=2 in
Step-by-step explanation:
Given:
Area (A) = 14 in²
Perimeter (P) = 18 in
Required:
Length ( L)
Width (W)
Equation:
A=LW
P=2(L+W)
Solution:
A=LW
14=LW
W=14/L
Substitute W
P=2(L+W)
18=2[L+(14/L)]
L= 7 in
W=2 in