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69. The height of a triangle is 1 in more than the base. If the height is increased by 2 in while the base remains
the same, the new area becomes 20 in 2
a. Find the base and height of the original triangle.
b. Find the area of the original triangle.

Answer :

Answer:

Base and height

b= 5

h=6

B) area

15square in

Step-by-step explanation: