Question

Luas bangun tersebut adalah ....

A 468,75 cm²
B 937,50 cm²
C 312,50 cm²
D 156,25 cm²​

Answer 1

[tex] \mathbb \color{aqua} \underbrace{JAWABAN}[/tex]A. 468,75 cm²------------------[tex] \mathbb \color{gold} \underbrace{RUMUS}[/tex]=> Luas Layang-Layang :[tex] \small \boxed{ \sf L = \frac{d_1 \times d_2}{2}} \\ [/tex]=> Keliling Layang-Layang :[tex] \boxed{ \sf K = 2(a + c)}[/tex]------------------[tex] \mathbb \color{orange} \underbrace{PENYELESAIAN}[/tex]=> menentukan diagonal 1 (d₁) :[tex] \boxed{ \begin{aligned} \sf d_1 &= \sf12,5 \times 2 \\ \sf d_1 &= \bold{25} \end{aligned}} \\ [/tex]=> menentukan diagonal 2 (d₂) :[tex] \boxed{ \begin{aligned} \sf d_2 &= \sf25 + 12,5 \\ \sf d_2 &= \bold{37,5} \end{aligned}} \\ [/tex]=> menentukan luas layang-layang (L) :[tex] \boxed{ \begin{aligned} \sf L &= \sf \frac{d_1 \times d_2}{2} \\ \sf L &= \sf \frac{25 \times 37,5 }{2} \\ \sf L &= \sf \frac{937,5}{2} \\ \sf L &= \bold{ 468,75 \: {cm}^{2} } \end{aligned}}[/tex]------------------[tex] \mathbb \color{orange} \underbrace{PENYELESAIAN}[/tex]Jadi, luas bangun tersebut adalah 468,75 cm²[tex] \colorbox{ff0000}{} \colorbox{ff4000}{}\colorbox{ff8000}{}\colorbox{ffc000}{}\colorbox{ffff00}{}\colorbox{c0ff00}{}\colorbox{80ff00}{}\colorbox{40ff00}{}\colorbox{00ff00}{}\colorbox{00ff40}{}\colorbox{00ff80}{}\colorbox{00ffc0}{}\colorbox{00ffff}{}\colorbox{00c0ff}{}\colorbox{0080ff}{}\colorbox{0040ff}{}\colorbox{0000ff}{}\colorbox{4000ff}{}\colorbox{8000ff}{}\colorbox{c000ff}{}\colorbox{ff00ff}{}\colorbox{ff00c0}{}\colorbox{ff00a0}{}\colorbox{ff0080}{}\colorbox{ff0040}{} [/tex]