Answer:
triangle 1, triangle 3,
Step-by-step explanation:
Triangle 1= 
Triangle 2= is wrong
Triangle 3= 
Triangle 4= is wrong.
Answer:Perimeter=5*2+2*(x-2)
Step-by-step explanation:
Because perimeter =2*length+2*width
Answer:
can you explain it more clear? ;)
Step-by-step explanation:
Perpendicular bisectors are segment that passes through the mid point of a triangle, while altitude is the perpendicular distance from the base to the opposite vertex.
The 5 number that have 3 ,5 and 7 as prime number are 23, 31, 37, 43, 53. and if you want there 57,47, 103.