KUIS Trapesium sama kaki dengan sisi sejajarnya 1 cm dan 3 cm, serta tinggi 5 cm akan memiliki lu.... Question from @xcvi

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Diketahui:

Trapesium

Sisi sejajar = 1 cm dan 3 cm
t = 5 cm

Persegi panjang

p = 5 cm

Ditanyakan:

l = ... cm?

Penyelesaian:

$\small \begin{aligned} \tt L~trapesium &= \tt L~ persegi~ panjang \\\\ \tt\frac{1}{2} \times (jumlah \: sisi \: sejajar) \times t &= \tt p \times \ell \\\\ \tt \frac{1}{2}(1 + 3) \times5 &= \tt 5 \times \ell \\\\ \tt \frac{1}{ \not2} \times \not4 {}^{2} \times 5 &= \tt \tt 5 \times \ell \\\\ \tt2 \times 5 &= \tt 5 \times \ell \\\\ \tt \ell &= \tt 2~cm\end{aligned}$

$\\$

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3 votes Thanks 2

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SOAL 1

___________________________________________

$\frac{a + b}{2} \times t = p \times l$

$\frac{1 + 3}{2} \times 5 = 5 \times l$

$\frac{4}{2} \times 5 = 5 \times l$

$2 \times 5 = 5 \times l$

$10 = 5l$

$l = 10 \div 5$

$l = 2$

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2 votes Thanks 2

Diketahui:

Ditanyakan:

Penyelesaian:

SOAL 1

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