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sergiy2304 [10]
3 years ago
13

Ppplllzzz hhhheeelllllllpppppp ​

Mathematics
1 answer:
timama [110]3 years ago
5 0

Answer:

65

Step-by-step explanation:

Formula: 1/2bh

An isosceles triangle has at least 2 sides equal, so the blank side is 13.

base=10

height=13

13*10=130

half of that is 65

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