Answer: ZR and ZS form a right angle
Step-by-step explanation:
Complementary angles are angles whose sum = 90ᴼ
If R and S are complementary, then their angle measures add to equal 90ᴼ
A right angle = 90ᴼ
Answer:
(A) 
Step-by-step explanation:
The area of a parallelogram is the same as the area of a rectangle which is A=bh where b is the base and h is the height. Therefore, Erica can use the expression
to find the area of the parallelogram.
The converse of the statement would be
"If x ≤ 7, then x² ≤ 49"
but this is false. Take x = -8; while it's true that -8 ≤ 7, the second inequality is not, since (-8)² = 64 is not smaller than 49.
Answer: 12 c · 0.6 = 7.2 c
Step-by-step explanation: one kilowatt hour is 1000 W·h
One bulb uses 12 h · 50 W = 600 Wh = 0,6 kWh
Answer:
Step-by-step explanation: