tolonggg saya plus cara yaa
Jawaban:
26. D
27. C
Penjelasan dengan langkah-langkah:
26.
Refleksi x=4
(x, y)-> (2h-x, y)
(-3, 7)-> (2(4)-(-3), 7)
= (8+3, 7)
= (11, 7)
(11, 7) + (-5, 2)
= (11-5, 7+2)
= (6, 9)
27.
3x+7= 2x+24
3x-2x= 24-7
x= 17
ABC= 3x+7
= 3(17)+7
= 51+7
= 58°
BAC= 4x-25
= 4(17)-25
= 68-25
= 43°
C= 180°-58°-43°
C= 122°-43°
C= 79°v
[answer.2.content]
