2 years ago

Quadrilateral OPQR is inscribed inside a circle as shown below. Write a proof showing that angles O and Q are supplementary

1 answer:

6 0

As anoutline, angles O and Q are inscribed angles which are measured by one-half of its intercepted arc.
angle O = 1/2 arc RQP
angle Q = 1/2 arc ROP

so arcs RQP and ROP together make up the entire circle which has 360 degrees.

so angles O and Q is 1/2 (360) = 180 degrees (supplementary angles).

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A television normally sells for $320. This week, it's on sale at 60% off the normal price. What is the sale price?

shutvik [7]

If it is 60% off, then u r actually paying 40%
so ur paying 40% of 320....turn ur percent to a decimal..." of " means multiply

so the sale price is : 0.40(320) = $ 128 <==

or u could also do it this way...
320 - 0.60(320) = 320 - 192 = $ 128 <==

4 0

3 years ago

Read 2 more answers

Carly used 15 centimeters of tape to wrap 3 presents. How many presents did Carly wrap if she used 45 centimeters of tape? Assum

Nataly_w [17]

Answer: 9 Presents

Explanation: 15/3 = 45/x.
Cross Multiply: 15x= (45)(3)
Simplify: x= 9

8 0

3 years ago

Ryan works at the car wash making $5.30 per hour plus tips. Last week Ryan worked 32 hours and earned $403. How much in tips did

Vadim26 [7]

5.30 x 32 = 169.6

403 - 169.6= 233.4

He made $233.40 last week, answer D

8 0