find the area of a triangle two side of feature 18 cm and 10 cm and the perimeter is 42 cm .
Answers
Answered by
1
Answer:
perimeter =sum of all sides
10+18+x=42
28+x=42
x=42-28
x=149
other side is 14cm
Answered by
1
Answer:
other side is 14 cm
Step-by-step explanation:
10+18+x= 42
28+x=42
x=42-28
x=14
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