kakak kakak, plis bantu jawab yah

DE = BE = BD ÷ 2 = 24 ÷ 2 = 12 cm

AE = √(AB² - BE²)
= √( 20² - 12²)
= √( 400 - 144)
= √256
= 16 cm

EC = √(BC² - BE²)
= √( 13² - 12²)
= √(169 - 144)
= √25
= 5 cm

AC = AE + EC = 16 + 5 = 21 cm

L = ½ × AC × BD
= ½ × 21 × 24
= 252 cm² ( A )

Jawabannya:
DE=BE=BD/2
24/2 = 12 cm

AE=√AB^2-BE^2
AE=√20^2-12^2
AE=√400-144
AE=√256
AE= 16 cm

EC=√BC^2-BE^2
EC=√13^2-12^2
EC=√169-144
EC=√25
EC=5 cm

AC=AE+EC
= 16+5 = 21 cm

L=1/2. AC. BD
L = 1/2. 21. 24
L = 21. 12
L = 252 cm^2. ------- A

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