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2 years ago

6

HELPPP PLS I DON’T UNDERSTAND

2 answers:

Goshia [24]2 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]2 years ago

7 0

Answer:

a.

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

b.

<em>A = 220 mm²</em>

<em>b = 20 mm</em>

<em /> $h=\dfrac{2 \cdot 220}{20}=22 \: {mm}$ <em />

<em />

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