This is a 2 part question. Need help with both questions please! Use the triangle for both parts of the question. Click on the flip picture button if needed to see pic better.

Part A) Option A. QR= 3 cm

Part B) Option B. SV=6.5 cm

Step-by-step explanation:

step 1

Find the length of segment QR

we know that

If two triangles are similar, then the ratio of its corresponding sides is proportional and its corresponding angles are congruent

so

In this problem Triangle QRW and Triangle QSV are similar by AA Similarity Theorem

so

we have

---> because S is the midpoint QT (QS=TS)

--->because V is the midpoint QU (QW+WV=VU)

--->because V is the midpoint QU (QV=VU)

substitute the given values

solve for QR

step 2

Find the length side SV

we know that

The Mid-segment Theorem states that the mid-segment connecting the midpoints of two sides of a triangle is parallel to the third side of the triangle, and the length of this mid-segment is half the length of the third side

so

In this problem

S is the mid-point side QT and V is the mid-point side QU

therefore

SV is parallel to TU

and

so

19. A)3cm

20. B)6.5cm

Step-by-step explanation:

Given that S is the midpoint of QT and V the midpoint of QU, we can use the laws of enlargement to find the value of QR:

Using ratios:

The length of QR:

Hence, QR is 3cm

b. Again we use the laws of enlargement to find the value of SV :

Hence, the length of SV is 6.5cm

there are 70 more legs than eyes at the dog show (196 – 126 = 70). dogs have two more legs than eyes, and humans have the same number of legs as eyes. thus 70 is twice the number of dogs at the show, so the number of dogs is half of 70, which is 35. to get the number of humans, subtract 35 from 63: 63 – 35 = 28.

step-by-step explanation:

answer: 12,000

step-by-step explanation: first you ar e supposed to add. then multiply then subtract