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lillianradecki
11.11.2020 •
Mathematics
Which of the following sets couldn't represent the sides of a triangle?
A.(1,2,4)
B.(5,5,5)
C.(7,8,7)
D.(9,10,11)
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Ответ:
A
Step-by-step explanation:
Opposite sides are equal
Ответ:
D. 38.5 square units
Step-by-step explanation:
The area of an obtuse triangle can be figured out in the same way as any other triangle: ¹/₂bh. Substitute b and h for 11 and 7 respectively.
¹/₂(11(7))
1/2 * 77/1
77/2
The area of the triangle in this question is 38 1/2 (38.5) square units.