I have a lot of trouble with proofs and need help.

I have a lot of trouble with proofs and need help.

1. Why is circle 1 similar to circle 2? Circle 1: center (−1, 10) and radius 4.8 Circle 2: center (−1, 10) and radius 1.2 A) Circle 1 is a dilation of circle 2 with...

Just some geometry. 10th grade work

The student outlines a proof, as follows: "First, I'll show that ∠5 ≅ ∠2. Then, I'll show that ∠5 ≅ ∠4. It must follow that ∠2 ≅ ∠4. Next,...

real-world examples of tessellation that can be found in the life.

perimeter of a square is 48cm. if the square is dilated by scale factor 0.75, what is the area of the new square

center: origin contains: (-8,6)

1. A 20° sector in a circle has an area of 21.5π yd². What is the area of the circle? (I think the answer is 1215.18 but I am not sure.) 2. What is the area of a sector with a central...

A straw that is 12 cm leans against the inside of a glass. 3 cm of the straw extends beyond the glass. The height of the glass is 7.5 cm.

Please help me please

(-2,7) and (10,12)

If BD= 4x-y+1, find the values of x and y ...

Write a proof using the following information. Given: ∠EAB ≅ ∠DBA, ∠DAE ≅ ∠CBD Prove: DA ≅ EB

I am standing on the ground, and I need to measure the angle of a surface in the air at distance. I know the values of the distance and angle to the surface, but nothing about the surface...

if an arc is a portion of a circumference of a circle, can an arc be 360 degrees? Or does it become a circle, not an arc.

There are 2 spheres that overlap to create a shape. This shape has 2 faces and 1 round edge. The distance between the centers of each face is 6 units. The radius of one sphere is 55 units. The radius...

you want to know the approximate height of a tall oak tree. you place a mirror on the ground and stand where you can see the top of the tree in the mirror. how tall is the tree? the mirror is 24 feet...

i need to find the measurment for ps please help thank you

I need help with this question because I still the understand how the law of sines work

How you might use real-world examples of tessellations to help elementary-level students understand tessellations

Jonathan S.

Certified, Experienced Tutor and Teacher – Physics, Math, SATs

Brooklyn, NY

4.8
(94 ratings)

Dana R.

English/Math SAT PrepTutor with PhD

Lynbrook, NY

4.8
(85 ratings)

Jennifer C.

Experienced Educator Specializing in Test Prep and Enrichment

Brooklyn, NY

5.0
(74 ratings)