The perimeter of equilateral triangle DEF is 24 cm.
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Triangle</h3>
A triangle is a polygon with three sides and three angles. Types of triangles are<em> equilateral, isosceles, obtuse, scalene</em>.
Given that triangle ABC is equilateral, also triangle DEF is equilateral.
DE = DF = EF = 10 - 1 - 1 = 8 cm
Perimeter of DEF = 8 + 8 + 8 = 24 cm
The perimeter of equilateral triangle DEF is 24 cm.
Find out more on Triangle at: brainly.com/question/24382052
Answer:
Divide each side of 18/4 by 2 to get <u>9/2.</u>
Answer:
45/8
Step-by-step explanation:
Each card has a 1/4 chance of being a spade. So if you draw 16 cards, what would one fourth of that be?