I say the answer is B. Bland
Answer:
EBC = 90
FBG = 25
ABF = 115
ABG = 140
EBG = 50
<u>H</u><u>o</u><u>p</u><u>e</u><u> </u><u>t</u><u>h</u><u>a</u><u>t</u><u> </u><u>h</u><u>e</u><u>l</u><u>p</u><u>e</u><u>d</u><u> </u><u>:</u><u>)</u>
Answer:
1.8 cm
6.3 cm²
Step-by-step explanation:
AC⊥BC
BD=BC=x
- (x+5)²+x²=7²
- x²+10x+25+x²=49
- 2x²+10x- 24=0
- x²+5x-12=0
- x=1.8
BC= 1.8 cm
Area of ABC= 1/2*1.8*7= 6.3 cm²