Answer :
Area of triangle=1/2bh
18×10=180
180÷2=90
Area of square=l×w
18×18=324
324+90=414
(18×10)÷2+(18×18)
18×10=180
180÷2=90
Area of square=l×w
18×18=324
324+90=414
(18×10)÷2+(18×18)
Answer:
the answer is below
Step-by-step explanation:
da answer C