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rjkz [21]
2 years ago
12

I need help finding the measure of the angles

Mathematics
1 answer:
sveticcg [70]2 years ago
4 0

Answer:

Every angle listed is 90 degrees

Step-by-step explanation:

First of all, we know that the angle with the red square is 90 degrees; that square is a symbol that represents right angles. If that angle is 90 that must mean that line t and line a are perpendicular. In a perpendicular intersection, 4 right angles are created. Additionally, since line b is parallel to line a; it must also be perpendicular with line t. Therefore, all of those angles are also 90 degrees.

The answer can also be found using the properties of 2 parallel lines and a transversal like corresponding angles and alternate side interior angles.

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What is the area of the shaded triangle?
irinina [24]

Answer:

A = 1/2 × b × h

= (1/2 × 10 × 6)

= (5×6) metre sq.

= 30sq. metres

Thank you.

BY GERALD GREAT.

7 0
3 years ago
when a cannonball is fired, the equation of its pathway can be modeled by h=-16t squared + 128t. find the time it will take for
Rashid [163]
At the time the cannonball reaches the ground, the vertical height of the cannonball from the ground is 0, i.e. h = 0.

Thus, the time it will take the cannonball to reach the ground is given by

-16t^2+128t=0 \\  \\ \Rightarrow t(-16t+128)=0 \\  \\ \Rightarrow t=0\ or\ -16t+128=0 \\  \\ \Rightarrow16t=128 \\  \\ \Rightarrow t= \frac{128}{16} =8

Therefore, it will take the cannonball 8 seconds to reach the ground.
5 0
3 years ago
What is the value of a over 6 plus 3 if a=48
AlexFokin [52]
Hello there!

By a over 6, I assume you mean a / 6? And by the wording, I assume 3 is outside of the fraction.

For the three outside the fraction,

(a / 6) + 3
(48 / 6) + 3
8 + 3
= 11

Hoped this help! If you have any more questions or need any more assistance, don't hesitate to friend me and message me! I can provide a mini lesson and a in-depth explanation as to what I did and why.
5 0
3 years ago
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Vesna [10]
Subtract 1 to 13. so you got 12. divide 4 so you can get the S by it self.S=3.
6 0
3 years ago
Read 2 more answers
Calculate the arc length of GH in terms of pi
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