Question

base-? ; height-31. 4 cm ; area of triangle​=1256 cm2​

Answer 1

Answer:

80 is correct

Step-by-step explanation:

are of triangle = 1/2 × b × h

              1256 = 1/2 × b × 31.4

              1256 = b × 15.7

                    b = 1256/15.7

                    b = 80

Answer 2

Answer:

800 cm

Step-by-step explanation:

Area of triangle = 1/2 × base × height

1256 cm^2 = 1/2 × base × 314/100

1256 cm^2 = 157/100 × base

1256 cm^2 × 100/157

800 cm = base

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