well, we know the "sum" of both angles is 90°, notice the rectangle in the corner, so we can say that the angles are simply complementary angles, thus
You posted the question twice ... I have repeated the answer here .. .
Find the area of all the sides:
10 x 9 = 90
9 x 8 = 72
1/2 x 6 x 8 = 24
1/2 x 6 x 8 = 24
6 x 9 = 54
Add them up:
90 + 72 + 24 + 24 + 54 = 264 square metres
Answer:
The sales tax is determined by computing a percent of the purchase price. To find the sales tax multiply the purchase price by the sales tax rate. Remember to convert the sales tax rate from a percent to a decimal number. Once the sales tax is calculated, it is added to the purchase price.
Answer:
40.5
Step-by-step explanation:
This answer makes sense because we know that 50% of 90 is 45.
Since 45% of 90 is 40.5, we can self-check our answer.
Hope I helped!
~PumpkinSpice1♥
Answer:
7
Step-by-step explanation:
Its 7 because khan academy and i know it
