Answer:
360°
Step-by-step explanation:
Each of the two triangles have 3 angles that add up to 180°.
So,
180° + 180° = 360°
The sum of the angles of a quadrilateral is 360°
Answer:
The sale price is $279.
Step-by-step explanation:
$310-10%=$279
Answer:
142 square ft
Step-by-step explanation:
the formula is ;
2(lw+lh + wh)
Answer:
25
Step-by-step explanation:
Simplify 84/100 to get to 21/(?). To get to 21 you'd divide 84 by 4 so you'd have to do the same thing to the denominator. 100 divided by 4 is 25, therefore there were 25 questions.