Jawabanmu

2014-04-16T13:19:49+07:00
Jawab 1

HB =  \sqrt{24^2+20^2}  \sqrt{576+100}  \sqrt{676} = 26

Jawab 2

<ADC = 90°. Maka <BDC 90:2 = 45°

Jawab 3

Sudut HB 30

Jawab 4

60
2014-04-16T13:23:37+07:00
1. HB=  \sqrt{10 ^{2} + 24^{2}} =26
2. <ADC=90° , <BDC=90°÷2= 45°
3. 30
°
4. 60
°