since it is a quadrilateral, all the sides will add to 360. If two angles are 90, and one is 99, add them and subtract from 360. The last angle should be 81 degrees.
Answer:
x=6
Step-by-step explanation:
2(x-1)=x+4 multiply 2 to x and -1
2x-2=x+4 put your variables and numbers on the same sides by + or -
x=6 there's your answer! :)
<span>Reflexive
Property of Equality</span>
Answer:
56cm2
Step-by-step explanation:
1÷3×4×6×7
=56cm2
Answer:
The equation is given by:

Step-by-step explanation:
During last years's charity walk, she raised $45.50.
During this years walk, she raised n, which is 7/10 of this amount. So, the equation is given by:
