Answer to question one pleaseeeee help !!

Mathematics

1 answer:

Salsk061 [2.6K]3 years ago

8 0

The answer is 19.6 cm^2

you should find the height of the triangle by heron formula: it will be 9.8

so the area is
$(9.8 \times 4 ) \div 2= 39.2 \div 2 = 19.6$

good luck

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