6
Answer: ASet 4: Triangles
Explanation
Marcus designs triangular earrings. Each earring has two equal sides of 17 miles and a base of 10 miles. What is the perimeter of one earring?
A.✓ Correct
44
B.
54
C.
22
D.
34
Detailed Explanation
Choice A is correct. An isosceles triangle has two equal sides. 1. Two equal sides: 2 × 17 = 34 miles Base: 10 miles Perimeter: 34 + 10 = 44 miles Therefore, the perimeter is 44 miles.
Key Steps:
•
The correct answer is 44
Why others are wrong:
B: This would give an incorrect result. Choice B is incorrect and may result from a calculation error.
C: This would give an incorrect result. Choice C is incorrect and may result from a calculation error.
D: This would give an incorrect result. Choice D is incorrect and may result from a calculation error.
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