1. Look at the following sum. 1+1/2+14+ 18+ 16+ 1/32 + 164...
Notice that the denominator of each fraction in the sum is twice the denominator that
comes before it.
If you continue adding on fractions according to this pattern, when will you reach a sum of 2?

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.