Respuesta :

wegnerkolmp2741o

Answer:

10 cm

Step-by-step explanation:

The area of a triangle

A = 1/2 bh

We know the area and the base

45 = 1/2 * 9*h

45 = 9/2h

Multiply each side by 2/9 to isolate h

45*2/9 = 2/9*9/2h

10 = h

asia9170
Area of a triangle=bh/2
45=9(?)/2
45=9(10)/2
Therefore, h=10

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