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Inga [223]
3 years ago
13

 please help me ahhh im doing 8th grade math with pythagorean theorem

Mathematics
2 answers:
bixtya [17]3 years ago
7 0

Step-by-step explanation:

The pythagorean theorem is the sum of the two legs squares equal the hypotenuse squared.

The hypotenuse is the longest side so 3.5 is our hypotenuse.

Apply formula to see of true.

{a}^{2}  +  {b}^{2}  =  {c}^{2}

{2.5}^{2}  +  {3}^{2}  =  {3.5}^{2}

6.25 + 9 = (3.5  {}^{2}) {?}

15.25 = 12.25 {?}

So it isn't a triangle since they aren't equal

yuradex [85]3 years ago
6 0
I think it isnt a right triangle, but im sorry if thats wrong
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In triangle PQR, the angles are in the ratio 2 : 3 : 4. Find all the angles (urgent)
zvonat [6]

Answer:

40°, 60° and 80°

Step-by-step explanation:

sum the parts of the ratio, 2 + 3 + 4 = 9 parts

Divide 180° ( sum of angles in a triangle) by 9 to find the value of one part of the ratio.

180° ÷ 9 = 20° ← value of 1 part of the ratio , then

2 parts = 2 × 20° = 40°

3 parts = 3 × 20° = 60°

4 parts = 4 × 20° = 80°

The angles in the triangle are 40°, 60°, 80°

7 0
3 years ago
Find the value of b........
Vadim26 [7]

Answer:

b = 230 degrees a= 25 degrees

Step-by-step explanation:

d and e are right angles (90 degrees) because when tangent meets radius at circumference a right angle is formed.

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both triangles are congruent as they share the middle line, they have tangents that meet radi(which are equal), and both have right angles.  this means that all angles are same in the triangles so a =c =25 and f=65.

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because angles around a point add up to 360.

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3 years ago
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serg [7]

Answer:

answer: $225

Step-by-step explanation:

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fomenos

Answer:

17

Step-by-step explanation:

13 x 17 = 221

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4 years ago
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