Question

3. Find the area of a rhombus if its diagonals measure 18 cm and 21 cm.​

Answer 1

Step-by-step explanation:

1/2(d1×d2)

1/2×18×21

378×1/2

Area=189 cm²

Answer 2

ᴳᴵᵛᴱᴺ ᴵᴺᶠᴼᴿᴹᴬᵀᴵᴼᴺ :-

ᵂᴱ ᴴᴬᵛᴱ ᴰᴵᴬᴳᴼᴺᴬᴸˢ ᴬˢ

ᴰ1= 18ᶜᴹ

ᴰ2=21ᶜᴹ

_______________________✌️

ᴬᴿᴱᴬ ᴼᶠ ᴿᴴᴼᴹᴮᵁˢ=

$\frac{1}{2} \times d1 \times d2$

ˢᴼ ᴮᵞ ᴾᵁᵀᵀᴵᴺᴳ ᵀᴴᴱ ᵛᴬᴸᵁᴱ ᴼᶠ ᴰ1 ᴬᴺᴰ ᴰ2 ᵂᴱ ᴳᴼᵀ,

$\frac{1}{2} \times 18 \times 21$

ᵂᴴᴵᶜᴴ ᴵˢ,

$9 \times 21$

$= 189 {cm}^{2}$

ᴴᴼᴾᴱ ᴵᵀ ᴴᴱᴸᴾᴱᴰ ᵁᴴᴴ ✌️

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