3 years ago

HELPPP PLS I DON’T UNDERSTAND

Mathematics

2 answers:

Goshia [24]3 years ago

8 0

Answer:

A=1/2bh

2*A=1/2bh*2

2A/b=bh/b

h=2A/b

b)h=2(220)/20

height=22mm

Step-by-step explanation:

yuradex [85]3 years ago

7 0

Answer:

$h=\dfrac{2A}{b}$

A = 220 mm²

b = 20 mm

$h=\dfrac{2 \cdot 220}{20}=22 \: {mm}$

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