Answer:
Step-by-step explanation:
I think your question is missing the key information about the degree of the big angle. So please have a look at the attach photo below, it may help you.
the measure of angle ABD = ∠ABC - ∠DBC
= 109 - 55
= 54 degree
x = -16/3
1. 20 cm^2
2. 40 cm^2
3. 14 cm^2
4 49 cm^2
Area of triangle= 1/2(base)*(height)
Area of rectangle= (base)*(height)
1. 1/2(10)(4)=20
2. (8)(5)=40
3.1/2(4)(7)=14
4. (7)(7)=49
Attatch a photo?
